Make SkGraphics::Term a no-op, stop calling it.

I'd remove it entirely but Android is calling it explicitly.

BUG=skia:4259

Committed: https://skia.googlesource.com/skia/+/925979f733fe8e70d84627147dee04d030423349

Review URL: https://codereview.chromium.org/1329853005
diff --git a/debugger/debuggermain.cpp b/debugger/debuggermain.cpp
index 0aec02b..eebcd5f 100644
--- a/debugger/debuggermain.cpp
+++ b/debugger/debuggermain.cpp
@@ -67,6 +67,5 @@
 
     w.show();
     int result = a.exec();
-    SkGraphics::Term();
     return result;
 }
diff --git a/example/HelloWorld.cpp b/example/HelloWorld.cpp
index 495d2af..0d12d0fb 100644
--- a/example/HelloWorld.cpp
+++ b/example/HelloWorld.cpp
@@ -23,7 +23,6 @@
 
 void application_term() {
     SkEvent::Term();
-    SkGraphics::Term();
 }
 
 HelloWorldWindow::HelloWorldWindow(void* hwnd)
diff --git a/experimental/SimpleCocoaApp/SimpleApp.mm b/experimental/SimpleCocoaApp/SimpleApp.mm
index 6f9958f..95684c1 100644
--- a/experimental/SimpleCocoaApp/SimpleApp.mm
+++ b/experimental/SimpleCocoaApp/SimpleApp.mm
@@ -69,7 +69,7 @@
      //   SkRect r = {50, 50, 80, 80};
         p.setColor(0xAA11EEAA);
    //     canvas->drawRect(r, p);
-        
+
         SkRect result;
         SkPath path;
         path.moveTo(0, 0);
@@ -77,7 +77,7 @@
         path.lineTo(1, 8);
         path.lineTo(0, 9);
         SkASSERT(path.hasRectangularInterior(&result));
-        
+
         path.reset();
         path.addRect(10, 10, 100, 100, SkPath::kCW_Direction);
         path.addRect(20, 20, 50, 50, SkPath::kCW_Direction);
@@ -94,7 +94,7 @@
 
     }
 private:
-    typedef SkView INHERITED; 
+    typedef SkView INHERITED;
 };
 
 void application_init();
@@ -194,12 +194,12 @@
         path.hasRectangularInterior(&copy);
         SkDebugf("</div>\n\n");
     }
-    
+
     virtual void drawPosTextH(const void* text, size_t byteLength,
                               const SkScalar xpos[], SkScalar constY,
                               const SkPaint& paint) {
     }
-    
+
 public:
     void divName(const SkString& str, bool only) {
         filename = str;
@@ -211,14 +211,14 @@
         count = 0;
         nameonly = only;
     }
-    
+
     void init() {
         pointsMin = verbsMin = SK_MaxS32;
         pointsMax = verbsMax = SK_MinS32;
         rectPointsMin = rectVerbsMin = SK_MaxS32;
         rectPointsMax = rectVerbsMax = SK_MinS32;
     }
-    
+
     SkString filename;
     int count;
     bool nameonly;
@@ -279,7 +279,6 @@
 }
 
 void application_term() {
-    SkGraphics::Term();
     SkEvent::Term();
 }
 
diff --git a/experimental/SimpleiOSApp/SimpleApp.mm b/experimental/SimpleiOSApp/SimpleApp.mm
index 040472c..123449f 100644
--- a/experimental/SimpleiOSApp/SimpleApp.mm
+++ b/experimental/SimpleiOSApp/SimpleApp.mm
@@ -1,3 +1,10 @@
+/*
+ * Copyright 2015 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
 #include "SkApplication.h"
 #import "SkCanvas.h"
 #import "SkPaint.h"
@@ -26,7 +33,7 @@
         canvas->drawRect(r, p);
     }
 private:
-    typedef SkView INHERITED; 
+    typedef SkView INHERITED;
 };
 
 void application_init() {
@@ -35,7 +42,6 @@
 }
 
 void application_term() {
-    SkGraphics::Term();
     SkEvent::Term();
 }
 
diff --git a/experimental/SkV8Example/SkV8Example.cpp b/experimental/SkV8Example/SkV8Example.cpp
index d537fd4..03a8826 100644
--- a/experimental/SkV8Example/SkV8Example.cpp
+++ b/experimental/SkV8Example/SkV8Example.cpp
@@ -40,7 +40,6 @@
 
 void application_term() {
     SkEvent::Term();
-    SkGraphics::Term();
 }
 
 SkV8ExampleWindow::SkV8ExampleWindow(void* hwnd, JsContext* context)
diff --git a/include/core/SkGraphics.h b/include/core/SkGraphics.h
index 8e8bd77..5aecc7a 100644
--- a/include/core/SkGraphics.h
+++ b/include/core/SkGraphics.h
@@ -23,10 +23,8 @@
      */
     static void Init();
 
-    /**
-     *  Call this to release any memory held privately, such as the font cache.
-     */
-    static void Term();
+    // We're in the middle of cleaning this up.
+    static void Term() {}
 
     /**
      *  Return the version numbers for the library. If the parameter is not
@@ -169,9 +167,6 @@
     SkAutoGraphics() {
         SkGraphics::Init();
     }
-    ~SkAutoGraphics() {
-        SkGraphics::Term();
-    }
 };
 
 #endif
diff --git a/include/core/SkPaint.h b/include/core/SkPaint.h
index 0c071ad..2090ed2 100644
--- a/include/core/SkPaint.h
+++ b/include/core/SkPaint.h
@@ -289,7 +289,7 @@
     SkFilterQuality getFilterQuality() const {
         return (SkFilterQuality)fBitfields.fFilterQuality;
     }
-    
+
     /**
      *  Set the filter quality. This affects the quality (and performance) of
      *  drawing scaled images.
@@ -1046,8 +1046,6 @@
      */
     SkColor computeLuminanceColor() const;
 
-    static void Term();
-
     enum {
         /*  This is the size we use when we ask for a glyph's path. We then
          *  post-transform it as we draw to match the request.
@@ -1090,7 +1088,6 @@
     friend class SkAutoGlyphCacheNoGamma;
     friend class SkCanvas;
     friend class SkDraw;
-    friend class SkGraphics; // So Term() can be called.
     friend class SkPDFDevice;
     friend class GrBitmapTextContext;
     friend class GrAtlasTextContext;
diff --git a/include/views/SkEvent.h b/include/views/SkEvent.h
index f4df448..0af76fe 100644
--- a/include/views/SkEvent.h
+++ b/include/views/SkEvent.h
@@ -223,7 +223,7 @@
     */
     static void Init();
     /** Global cleanup function for the SkEvent system. Should be called exactly once after
-        all event methods have been called, and should be called before calling SkGraphics::Term().
+        all event methods have been called.
     */
     static void Term();
 
diff --git a/samplecode/SampleApp.cpp b/samplecode/SampleApp.cpp
index 22e8b8a..02c5e03 100644
--- a/samplecode/SampleApp.cpp
+++ b/samplecode/SampleApp.cpp
@@ -2397,5 +2397,4 @@
 
 void application_term() {
     SkEvent::Term();
-    SkGraphics::Term();
 }
diff --git a/src/core/SkGraphics.cpp b/src/core/SkGraphics.cpp
index e9dcadc..5290ea1 100644
--- a/src/core/SkGraphics.cpp
+++ b/src/core/SkGraphics.cpp
@@ -58,12 +58,6 @@
 #endif
 }
 
-void SkGraphics::Term() {
-    PurgeFontCache();
-    PurgeResourceCache();
-    SkPaint::Term();
-}
-
 ///////////////////////////////////////////////////////////////////////////////
 
 void SkGraphics::DumpMemoryStatistics(SkTraceMemoryDump* dump) {
diff --git a/src/core/SkPaint.cpp b/src/core/SkPaint.cpp
index c109720..e15c1a7 100644
--- a/src/core/SkPaint.cpp
+++ b/src/core/SkPaint.cpp
@@ -1525,18 +1525,6 @@
     return *gMaskGamma;
 }
 
-/*static*/ void SkPaint::Term() {
-    SkAutoMutexAcquire ama(gMaskGammaCacheMutex);
-
-    SkSafeUnref(gLinearMaskGamma);
-    gLinearMaskGamma = nullptr;
-    SkSafeUnref(gMaskGamma);
-    gMaskGamma = nullptr;
-    SkDEBUGCODE(gContrast = SK_ScalarMin;)
-    SkDEBUGCODE(gPaintGamma = SK_ScalarMin;)
-    SkDEBUGCODE(gDeviceGamma = SK_ScalarMin;)
-}
-
 /**
  *  We ensure that the rec is self-consistent and efficient (where possible)
  */
diff --git a/tests/PathOpsSkpClipTest.cpp b/tests/PathOpsSkpClipTest.cpp
index edc79d1..7b63c1c 100644
--- a/tests/PathOpsSkpClipTest.cpp
+++ b/tests/PathOpsSkpClipTest.cpp
@@ -1102,7 +1102,6 @@
             test->run();
         }
     }
-    SkGraphics::Term();
     return 0;
 }
 
diff --git a/tools/VisualBench/VisualBench.cpp b/tools/VisualBench/VisualBench.cpp
index 7b90266..3c41204 100644
--- a/tools/VisualBench/VisualBench.cpp
+++ b/tools/VisualBench/VisualBench.cpp
@@ -114,7 +114,6 @@
 
 void application_term() {
     SkEvent::Term();
-    SkGraphics::Term();
 }
 
 SkOSWindow* create_sk_window(void* hwnd, int argc, char** argv) {
diff --git a/tools/filtermain.cpp b/tools/filtermain.cpp
index 1ed9797..24f0c78 100644
--- a/tools/filtermain.cpp
+++ b/tools/filtermain.cpp
@@ -794,7 +794,6 @@
         SkDebugf("opt %d: %d\n", opt, gOptTable[opt].fNumTimesApplied);
     }
 
-    SkGraphics::Term();
     return 0;
 }
 
diff --git a/tools/iOSShell.cpp b/tools/iOSShell.cpp
index 1f5f2da..02884c8 100644
--- a/tools/iOSShell.cpp
+++ b/tools/iOSShell.cpp
@@ -96,5 +96,4 @@
 void application_term();
 void application_term() {
     SkEvent::Term();
-    SkGraphics::Term();
 }