Alter SkCanvas::drawPicture (devirtualize, take const SkPicture, take pointer)

R=reed@google.com, bsalomon@google.com, mtklein@google.com

Author: robertphillips@google.com

Review URL: https://codereview.chromium.org/313613004
diff --git a/samplecode/SampleApp.cpp b/samplecode/SampleApp.cpp
index 5e304d8..35021cb 100644
--- a/samplecode/SampleApp.cpp
+++ b/samplecode/SampleApp.cpp
@@ -1470,7 +1470,7 @@
         if (true) {
             SkPicture* pict = new SkPicture(*picture);
             this->installDrawFilter(orig);
-            orig->drawPicture(*pict);
+            orig->drawPicture(pict);
             pict->unref();
         } else if (true) {
             SkDynamicMemoryWStream ostream;
@@ -1480,7 +1480,7 @@
             SkMemoryStream istream(data->data(), data->size());
             SkAutoTUnref<SkPicture> pict(SkPicture::CreateFromStream(&istream));
             if (pict.get() != NULL) {
-                orig->drawPicture(*pict.get());
+                orig->drawPicture(pict.get());
             }
         } else {
             picture->draw(orig);
diff --git a/samplecode/SamplePictFile.cpp b/samplecode/SamplePictFile.cpp
index 7b9584d..9e9764c 100644
--- a/samplecode/SamplePictFile.cpp
+++ b/samplecode/SamplePictFile.cpp
@@ -100,7 +100,7 @@
             *picture = LoadPicture(fFilename.c_str(), fBBox);
         }
         if (*picture) {
-            canvas->drawPicture(**picture);
+            canvas->drawPicture(*picture);
         }
     }
 
@@ -140,7 +140,7 @@
 
             if (false) {
                 SkSurface* surf = SkSurface::NewRasterPMColor(pic->width(), pic->height());
-                surf->getCanvas()->drawPicture(*pic);
+                surf->getCanvas()->drawPicture(pic);
                 surf->unref();
             }
             if (false) { // re-record
diff --git a/samplecode/SamplePicture.cpp b/samplecode/SamplePicture.cpp
index f242c21..9c965e4 100644
--- a/samplecode/SamplePicture.cpp
+++ b/samplecode/SamplePicture.cpp
@@ -74,13 +74,13 @@
         canvas->drawBitmap(fBitmap, 0, 0, NULL);
 
         drawCircle(canvas, 50, SK_ColorBLACK);
-        canvas->drawPicture(*fSubPicture);
+        canvas->drawPicture(fSubPicture);
         canvas->translate(SkIntToScalar(50), 0);
-        canvas->drawPicture(*fSubPicture);
+        canvas->drawPicture(fSubPicture);
         canvas->translate(0, SkIntToScalar(50));
-        canvas->drawPicture(*fSubPicture);
+        canvas->drawPicture(fSubPicture);
         canvas->translate(SkIntToScalar(-50), 0);
-        canvas->drawPicture(*fSubPicture);
+        canvas->drawPicture(fSubPicture);
 
         fPicture = recorder.endRecording();
 
@@ -140,28 +140,28 @@
         canvas->translate(SkIntToScalar(300), SkIntToScalar(50));
         canvas->scale(-SK_Scalar1, -SK_Scalar1);
         canvas->translate(-SkIntToScalar(100), -SkIntToScalar(50));
-        canvas->drawPicture(*pict);
+        canvas->drawPicture(pict);
         canvas->restore();
 
         canvas->save();
         canvas->translate(SkIntToScalar(200), SkIntToScalar(150));
         canvas->scale(SK_Scalar1, -SK_Scalar1);
         canvas->translate(0, -SkIntToScalar(50));
-        canvas->drawPicture(*pict);
+        canvas->drawPicture(pict);
         canvas->restore();
 
         canvas->save();
         canvas->translate(SkIntToScalar(100), SkIntToScalar(100));
         canvas->scale(-SK_Scalar1, SK_Scalar1);
         canvas->translate(-SkIntToScalar(100), 0);
-        canvas->drawPicture(*pict);
+        canvas->drawPicture(pict);
         canvas->restore();
 
 #ifdef SK_DEVELOPER
         if (false) {
             SkDebugfDumper dumper;
             SkDumpCanvas dumpCanvas(&dumper);
-            dumpCanvas.drawPicture(*pict);
+            dumpCanvas.drawPicture(pict);
         }
 #endif
 
@@ -170,7 +170,7 @@
 
         SkRandom rand(SampleCode::GetAnimTime());
         canvas->translate(SkIntToScalar(10), SkIntToScalar(250));
-        canvas->drawPicture(*fPicture);
+        canvas->drawPicture(fPicture);
         delayInval(500);
     }
 
diff --git a/samplecode/SampleTiling.cpp b/samplecode/SampleTiling.cpp
index a59a802..6bb9c74 100644
--- a/samplecode/SampleTiling.cpp
+++ b/samplecode/SampleTiling.cpp
@@ -158,7 +158,7 @@
         }
 
         SkASSERT(NULL != fTextPicture);
-        canvas->drawPicture(*fTextPicture);
+        canvas->drawPicture(fTextPicture);
     }
 
 private: