Enable CopyTextureCHROMIUM in Blink for Tex{Sub}Image2D with more cases

third_party/WebKit/Source/platform/graphics/ImageBuffer.h

Index: third_party/WebKit/Source/platform/graphics/ImageBuffer.h
diff --git a/third_party/WebKit/Source/platform/graphics/ImageBuffer.h b/third_party/WebKit/Source/platform/graphics/ImageBuffer.h
index 8e38810f63f7ed3e17e92cbd281fe7d9e1377f40..cac9f87ce9c47e457b95f498a1b5a41bcdb4b48b 100644
--- a/third_party/WebKit/Source/platform/graphics/ImageBuffer.h
+++ b/third_party/WebKit/Source/platform/graphics/ImageBuffer.h
@@ -139,15 +139,10 @@ class PLATFORM_EXPORT ImageBuffer {
 
   // Destroys the TEXTURE_2D binding for the active texture unit of the passed
   // context. Assumes the destination texture has already been allocated.
-  // FIXME: Current implementations of this method only work with textures that
-  // are RGB or RGBA format, UNSIGNED_BYTE type and level 0, as specified in
-  // Extensions3D::canUseCopyTextureCHROMIUM().
   bool copyToPlatformTexture(SnapshotReason,
                              gpu::gles2::GLES2Interface*,
+                             GLenum target,
                              GLuint texture,
-                             GLenum internalFormat,
-                             GLenum destType,
-                             GLint level,
                              bool premultiplyAlpha,
                              bool flipY,
                              const IntPoint& destPoint,