ImageBuffer-less SVG masking and clipping.

Source/core/platform/graphics/GraphicsContextTest.cpp

Index: Source/core/platform/graphics/GraphicsContextTest.cpp
diff --git a/Source/core/platform/graphics/GraphicsContextTest.cpp b/Source/core/platform/graphics/GraphicsContextTest.cpp
index 09e1436b495a4e539634602f55644ca53c2913c4..07209d38f0df8545c1278a4804bb4e6bc762b4a1 100644
--- a/Source/core/platform/graphics/GraphicsContextTest.cpp
+++ b/Source/core/platform/graphics/GraphicsContextTest.cpp
@@ -215,17 +215,6 @@ TEST(GraphicsContextTest, trackOpaqueClipTest)
     EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect());
     EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
     context.restore();
-
-    OwnPtr<ImageBuffer> alphaImage = ImageBuffer::create(IntSize(100, 100));
-    alphaImage->context()->fillRect(IntRect(0, 0, 100, 100), alpha);
-
-    // Clipping with a non-opaque Image (there is no way to mark an ImageBuffer as opaque today).
-    context.save();
-    context.clipToImageBuffer(alphaImage.get(), FloatRect(30, 30, 10, 10));
-    context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver);
-    context.restore();
-    EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect());
 }
 
 TEST(GraphicsContextTest, trackImageMask)