Remove DEPRECATED_beginRecording().

This removes:
  1) ability to record old pictures with SkPictureRecorder;
  2) a couple tests specific to the old backend.

The functionality of DEPRECATED_beginRecording() now lives in
(private) SkPicture::Backport(), which is the only place we
need it now.

BUG=skia:
TBR=reed@google.com

Review URL: https://codereview.chromium.org/618303002
diff --git a/tests/CanvasTest.cpp b/tests/CanvasTest.cpp
index 216a408..5ec0b8f 100644
--- a/tests/CanvasTest.cpp
+++ b/tests/CanvasTest.cpp
@@ -121,10 +121,6 @@
 static const char* const kDefaultAssertMessageFormat = "%s";
 static const char* const kCanvasDrawAssertMessageFormat =
     "Drawing test step %s with SkCanvas";
-static const char* const kPictureDrawAssertMessageFormat =
-    "Drawing test step %s with SkPicture";
-static const char* const kPictureSecondDrawAssertMessageFormat =
-    "Duplicate draw of test step %s with SkPicture";
 static const char* const kDeferredDrawAssertMessageFormat =
     "Drawing test step %s with SkDeferredCanvas";
 static const char* const kProxyDrawAssertMessageFormat =
@@ -137,8 +133,6 @@
     "test step %s, SkDeferredCanvas playback canvas state consistency after flush";
 static const char* const kDeferredPostSilentFlushPlaybackAssertMessageFormat =
     "test step %s, SkDeferredCanvas playback canvas state consistency after silent flush";
-static const char* const kPictureResourceReuseMessageFormat =
-    "test step %s, SkPicture duplicate flattened object test";
 static const char* const kProxyStateAssertMessageFormat =
     "test step %s, SkProxyCanvas state consistency";
 static const char* const kProxyIndirectStateAssertMessageFormat =
@@ -463,7 +457,7 @@
                                 skiatest::Reporter*,
                                 CanvasTestStep*) {
     SkPictureRecorder recorder;
-    SkCanvas* testCanvas = recorder.beginRecording(SkIntToScalar(kWidth), SkIntToScalar(kHeight), 
+    SkCanvas* testCanvas = recorder.beginRecording(SkIntToScalar(kWidth), SkIntToScalar(kHeight),
                                                    NULL, 0);
     testCanvas->scale(SkIntToScalar(2), SkIntToScalar(1));
     testCanvas->clipRect(kTestRect);
@@ -678,37 +672,6 @@
         */
 
     }
-
-public:
-
-    static void TestPictureFlattenedObjectReuse(skiatest::Reporter* reporter,
-                                                CanvasTestStep* testStep,
-                                                uint32_t recordFlags) {
-        // Verify that when a test step is executed twice, no extra resources
-        // are flattened during the second execution
-        testStep->setAssertMessageFormat(kPictureDrawAssertMessageFormat);
-        SkPictureRecorder referenceRecorder;
-        SkCanvas* referenceCanvas =
-            referenceRecorder.DEPRECATED_beginRecording(SkIntToScalar(kWidth), 
-                                                        SkIntToScalar(kHeight), 
-                                                        NULL, recordFlags);
-        testStep->draw(referenceCanvas, reporter);
-
-        SkPictureRecorder testRecorder;
-        SkCanvas* testCanvas =
-            testRecorder.DEPRECATED_beginRecording(SkIntToScalar(kWidth), 
-                                                   SkIntToScalar(kHeight), 
-                                                   NULL, recordFlags);
-        testStep->draw(testCanvas, reporter);
-        testStep->setAssertMessageFormat(kPictureSecondDrawAssertMessageFormat);
-        testStep->draw(testCanvas, reporter);
-
-        SkPictureRecord* referenceRecord = static_cast<SkPictureRecord*>(referenceCanvas);
-        SkPictureRecord* testRecord = static_cast<SkPictureRecord*>(testCanvas);
-        testStep->setAssertMessageFormat(kPictureResourceReuseMessageFormat);
-        AssertFlattenedObjectsEqual(referenceRecord, testRecord,
-                                    reporter, testStep);
-    }
 };
 
 static void TestPdfDevice(skiatest::Reporter* reporter,
@@ -908,8 +871,6 @@
 
     for (int testStep = 0; testStep < testStepArray().count(); testStep++) {
         TestOverrideStateConsistency(reporter, testStepArray()[testStep]);
-        SkPictureTester::TestPictureFlattenedObjectReuse(reporter,
-            testStepArray()[testStep], 0);
         if (testStepArray()[testStep]->enablePdfTesting()) {
             TestPdfDevice(reporter, testStepArray()[testStep]);
         }
diff --git a/tests/PictureTest.cpp b/tests/PictureTest.cpp
index 9cd63df..c41b327 100644
--- a/tests/PictureTest.cpp
+++ b/tests/PictureTest.cpp
@@ -579,22 +579,18 @@
     }
 }
 
-#define GENERATE_CANVAS(recorder, x) \
-    (x) ? recorder.EXPERIMENTAL_beginRecording(100, 100) \
-        : recorder.  DEPRECATED_beginRecording(100,100);
-
 /* Hit a few SkPicture::Analysis cases not handled elsewhere. */
-static void test_analysis(skiatest::Reporter* reporter, bool useNewPath) {
+static void test_analysis(skiatest::Reporter* reporter) {
     SkPictureRecorder recorder;
 
-    SkCanvas* canvas = GENERATE_CANVAS(recorder, useNewPath);
+    SkCanvas* canvas = recorder.beginRecording(100, 100);
     {
         canvas->drawRect(SkRect::MakeWH(10, 10), SkPaint ());
     }
     SkAutoTUnref<SkPicture> picture(recorder.endRecording());
     REPORTER_ASSERT(reporter, !picture->willPlayBackBitmaps());
 
-    canvas = GENERATE_CANVAS(recorder, useNewPath);
+    canvas = recorder.beginRecording(100, 100);
     {
         SkPaint paint;
         // CreateBitmapShader is too smart for us; an empty (or 1x1) bitmap shader
@@ -745,12 +741,10 @@
 
 #if SK_SUPPORT_GPU
 
-static void test_gpu_veto(skiatest::Reporter* reporter,
-                          bool useNewPath) {
-
+static void test_gpu_veto(skiatest::Reporter* reporter) {
     SkPictureRecorder recorder;
 
-    SkCanvas* canvas = GENERATE_CANVAS(recorder, useNewPath);
+    SkCanvas* canvas = recorder.beginRecording(100, 100);
     {
         SkPath path;
         path.moveTo(0, 0);
@@ -772,7 +766,7 @@
     REPORTER_ASSERT(reporter, !picture->suitableForGpuRasterization(NULL, &reason));
     REPORTER_ASSERT(reporter, reason);
 
-    canvas = GENERATE_CANVAS(recorder, useNewPath);
+    canvas = recorder.beginRecording(100, 100);
     {
         SkPath path;
 
@@ -794,7 +788,7 @@
     // A lot of AA concave paths currently render an SkPicture undesireable for GPU rendering
     REPORTER_ASSERT(reporter, !picture->suitableForGpuRasterization(NULL));
 
-    canvas = GENERATE_CANVAS(recorder, useNewPath);
+    canvas = recorder.beginRecording(100, 100);
     {
         SkPath path;
 
@@ -818,7 +812,7 @@
     // hairline stroked AA concave paths are fine for GPU rendering
     REPORTER_ASSERT(reporter, picture->suitableForGpuRasterization(NULL));
 
-    canvas = GENERATE_CANVAS(recorder, useNewPath);
+    canvas = recorder.beginRecording(100, 100);
     {
         SkPaint paint;
         SkScalar intervals [] = { 10, 20 };
@@ -832,7 +826,7 @@
     // fast-path dashed effects are fine for GPU rendering ...
     REPORTER_ASSERT(reporter, picture->suitableForGpuRasterization(NULL));
 
-    canvas = GENERATE_CANVAS(recorder, useNewPath);
+    canvas = recorder.beginRecording(100, 100);
     {
         SkPaint paint;
         SkScalar intervals [] = { 10, 20 };
@@ -846,19 +840,14 @@
     REPORTER_ASSERT(reporter, !picture->suitableForGpuRasterization(NULL));
 
     // Nest the previous picture inside a new one.
-    // This doesn't work in the old backend.
-    if (useNewPath) {
-        canvas = GENERATE_CANVAS(recorder, useNewPath);
-        {
-            canvas->drawPicture(picture.get());
-        }
-        picture.reset(recorder.endRecording());
-        REPORTER_ASSERT(reporter, !picture->suitableForGpuRasterization(NULL));
+    canvas = recorder.beginRecording(100, 100);
+    {
+        canvas->drawPicture(picture.get());
     }
+    picture.reset(recorder.endRecording());
+    REPORTER_ASSERT(reporter, !picture->suitableForGpuRasterization(NULL));
 }
 
-#undef GENERATE_CANVAS
-
 static void test_gpu_picture_optimization(skiatest::Reporter* reporter,
                                           GrContextFactory* factory) {
     for (int i= 0; i < GrContextFactory::kGLContextTypeCnt; ++i) {
@@ -1072,12 +1061,10 @@
 
 #endif
 
-static void test_has_text(skiatest::Reporter* reporter, bool useNewPath) {
+static void test_has_text(skiatest::Reporter* reporter) {
     SkPictureRecorder recorder;
-#define BEGIN_RECORDING useNewPath ? recorder.EXPERIMENTAL_beginRecording(100, 100) \
-                                   : recorder.  DEPRECATED_beginRecording(100, 100)
 
-    SkCanvas* canvas = BEGIN_RECORDING;
+    SkCanvas* canvas = recorder.beginRecording(100,100);
     {
         canvas->drawRect(SkRect::MakeWH(20, 20), SkPaint());
     }
@@ -1085,28 +1072,28 @@
     REPORTER_ASSERT(reporter, !picture->hasText());
 
     SkPoint point = SkPoint::Make(10, 10);
-    canvas = BEGIN_RECORDING;
+    canvas = recorder.beginRecording(100,100);
     {
         canvas->drawText("Q", 1, point.fX, point.fY, SkPaint());
     }
     picture.reset(recorder.endRecording());
     REPORTER_ASSERT(reporter, picture->hasText());
 
-    canvas = BEGIN_RECORDING;
+    canvas = recorder.beginRecording(100,100);
     {
         canvas->drawPosText("Q", 1, &point, SkPaint());
     }
     picture.reset(recorder.endRecording());
     REPORTER_ASSERT(reporter, picture->hasText());
 
-    canvas = BEGIN_RECORDING;
+    canvas = recorder.beginRecording(100,100);
     {
         canvas->drawPosTextH("Q", 1, &point.fX, point.fY, SkPaint());
     }
     picture.reset(recorder.endRecording());
     REPORTER_ASSERT(reporter, picture->hasText());
 
-    canvas = BEGIN_RECORDING;
+    canvas = recorder.beginRecording(100,100);
     {
         SkPath path;
         path.moveTo(0, 0);
@@ -1117,7 +1104,7 @@
     picture.reset(recorder.endRecording());
     REPORTER_ASSERT(reporter, picture->hasText());
 
-    canvas = BEGIN_RECORDING;
+    canvas = recorder.beginRecording(100,100);
     {
         SkPath path;
         path.moveTo(0, 0);
@@ -1129,16 +1116,12 @@
     REPORTER_ASSERT(reporter, picture->hasText());
 
     // Nest the previous picture inside a new one.
-    // This doesn't work in the old backend.
-    if (useNewPath) {
-        canvas = BEGIN_RECORDING;
-        {
-            canvas->drawPicture(picture.get());
-        }
-        picture.reset(recorder.endRecording());
-        REPORTER_ASSERT(reporter, picture->hasText());
+    canvas = recorder.beginRecording(100,100);
+    {
+        canvas->drawPicture(picture.get());
     }
-#undef BEGIN_RECORDING
+    picture.reset(recorder.endRecording());
+    REPORTER_ASSERT(reporter, picture->hasText());
 }
 
 static void set_canvas_to_save_count_4(SkCanvas* canvas) {
@@ -1775,13 +1758,10 @@
     test_unbalanced_save_restores(reporter);
     test_peephole();
 #if SK_SUPPORT_GPU
-    test_gpu_veto(reporter, false);
-    test_gpu_veto(reporter, true);
+    test_gpu_veto(reporter);
 #endif
-    test_has_text(reporter, false);
-    test_has_text(reporter, true);
-    test_analysis(reporter, false);
-    test_analysis(reporter, true);
+    test_has_text(reporter);
+    test_analysis(reporter);
     test_gatherpixelrefs(reporter);
     test_gatherpixelrefsandrects(reporter);
     test_bitmap_with_encoded_data(reporter);