Remove support for -webkit-canvas and Document.getCSSCanvasContext.

third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2DTest.cpp

Index: third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2DTest.cpp
diff --git a/third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2DTest.cpp b/third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2DTest.cpp
index 622c5e23dcafab48cf975a0751c4cb5287b85c5a..9f4ca8820cf74553a35e28423a2bdba429037243 100644
--- a/third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2DTest.cpp
+++ b/third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2DTest.cpp
@@ -615,19 +615,4 @@ TEST_F(CanvasRenderingContext2DTest, FallbackWithLargeState)
     canvasElement().doDeferredPaintInvalidation(); // To close the current frame
 }
 
-TEST_F(CanvasRenderingContext2DTest, CanvasObserver)
-{
-    createContext(NonOpaque);
-    OwnPtrWillBeRawPtr<MockCanvasObserver> observer = MockCanvasObserver::create();
-    canvasElement().addObserver(observer.get());
-
-    // The canvasChanged notification must be immediate, and not deferred until paint time
-    // because offscreen canvases, which are not painted, also need to emit notifications.
-    EXPECT_CALL(*observer, canvasChanged(&canvasElement(), FloatRect(0, 0, 1, 1))).Times(1);
-    context2d()->fillRect(0, 0, 1, 1);
-    Mock::VerifyAndClearExpectations(observer.get());
-
-    canvasElement().removeObserver(observer.get());
-}
-
 } // namespace blink