Merge 92520 - [chromium] Accelerated canvas breaks when moving canvases or resources between Pages

Source/WebKit/chromium/src/GraphicsContext3DChromium.cpp

Index: Source/WebKit/chromium/src/GraphicsContext3DChromium.cpp
===================================================================
--- Source/WebKit/chromium/src/GraphicsContext3DChromium.cpp	(revision 93254)
+++ Source/WebKit/chromium/src/GraphicsContext3DChromium.cpp	(working copy)
@@ -830,12 +830,6 @@
 DELEGATE_TO_IMPL_9R(mapTexSubImage2DCHROMIUM, GC3Denum, GC3Dint, GC3Dint, GC3Dint, GC3Dsizei, GC3Dsizei, GC3Denum, GC3Denum, GC3Denum, void*)
 DELEGATE_TO_IMPL_1(unmapTexSubImage2DCHROMIUM, const void*)
 
-void GraphicsContext3DInternal::copyTextureToParentTextureCHROMIUM(Platform3DObject texture, Platform3DObject parentTexture)
-{
-    m_impl->setParentContext(m_webViewImpl->graphicsContext3D());
-    m_impl->copyTextureToParentTextureCHROMIUM(texture, parentTexture);
-}
-
 DELEGATE_TO_IMPL_10(blitFramebufferCHROMIUM, GC3Dint, GC3Dint, GC3Dint, GC3Dint, GC3Dint, GC3Dint, GC3Dint, GC3Dint, GC3Dbitfield, GC3Denum)
 DELEGATE_TO_IMPL_5(renderbufferStorageMultisampleCHROMIUM, GC3Denum, GC3Dsizei, GC3Denum, GC3Dsizei, GC3Dsizei)