Move WebGraphicsContext3D related tests from web/tests/ to platform/graphics/gpu/

Source/platform/graphics/gpu/DrawingBufferTest.cpp

Index: Source/platform/graphics/gpu/DrawingBufferTest.cpp
diff --git a/Source/web/tests/DrawingBufferTest.cpp b/Source/platform/graphics/gpu/DrawingBufferTest.cpp
similarity index 99%
rename from Source/web/tests/DrawingBufferTest.cpp
rename to Source/platform/graphics/gpu/DrawingBufferTest.cpp
index 0d0ac8f9a207533abcd9e65ec087f9b26f8f9476..2a9fb38d59431abc8b1d6844eb98f7a2c06c23d0 100644
--- a/Source/web/tests/DrawingBufferTest.cpp
+++ b/Source/platform/graphics/gpu/DrawingBufferTest.cpp
@@ -34,9 +34,9 @@
 
 #include "platform/graphics/ImageBuffer.h"
 #include "platform/graphics/UnacceleratedImageBufferSurface.h"
+#include "platform/graphics/test/MockWebGraphicsContext3D.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebExternalTextureMailbox.h"
-#include "web/tests/MockWebGraphicsContext3D.h"
 #include "wtf/RefPtr.h"
 
 #include <gmock/gmock.h>
@@ -105,8 +105,6 @@ static const int initialWidth = 100;
 static const int initialHeight = 100;
 static const int alternateHeight = 50;
 
-} // namespace
-
 class DrawingBufferTest : public Test {
 protected:
     virtual void SetUp()
@@ -125,8 +123,6 @@ protected:
     RefPtr<DrawingBuffer> m_drawingBuffer;
 };
 
-namespace {
-
 TEST_F(DrawingBufferTest, testPaintRenderingResultsToCanvas)
 {
     OwnPtr<ImageBufferSurface> imageBufferSurface = adoptPtr(new UnacceleratedImageBufferSurface(IntSize(initialWidth, initialHeight)));