publish canvas context API stat metrics

third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2D.cpp

Index: third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2D.cpp
diff --git a/third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2D.cpp b/third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2D.cpp
index da219d684678b699d63a30c8cc7aee96d2a5c4fe..65b26f0f3ab5107a73e18437cecf3955353a3fed 100644
--- a/third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2D.cpp
+++ b/third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2D.cpp
@@ -59,6 +59,7 @@
 #include "modules/canvas2d/Path2D.h"
 #include "platform/fonts/FontCache.h"
 #include "platform/geometry/FloatQuad.h"
+#include "platform/graphics/CanvasMetrics.h"
 #include "platform/graphics/DrawLooperBuilder.h"
 #include "platform/graphics/ExpensiveCanvasHeuristicParameters.h"
 #include "platform/graphics/ImageBuffer.h"
@@ -133,6 +134,7 @@ CanvasRenderingContext2D::CanvasRenderingContext2D(HTMLCanvasElement* canvas, co
         m_clipAntialiasing = AntiAliased;
     m_stateStack.append(CanvasRenderingContext2DState::create());
     setShouldAntialias(true);
+    CanvasMetrics::countCanvasContextStat(CanvasMetrics::CanvasContextCreated);

[Justin Novosad, 2015/11/20 03:30:44]

This should be more specific: I'd like 2DContextCreated, but C++ symbols can
only start with letters, so Canvas2DContextCreated would be okay

[zmin, 2015/11/20 17:08:33]

Removed.

 }
 
 void CanvasRenderingContext2D::unwindStateStack()