Remove unused methods in WebGraphicsContext3D: isGLES2Compliant() and getPlatformTextureId()

content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h

Index: content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h
diff --git a/content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h b/content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h
index d39097d4b8a1d2e6114952b81fc24dafd3e27cc0..6f0d66c81b5821419e25ed7c8995a1004b2ba62d 100644
--- a/content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h
+++ b/content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h
@@ -118,8 +118,6 @@ class WebGraphicsContext3DCommandBufferImpl
   virtual int width();
   virtual int height();
 
-  virtual bool isGLES2Compliant();
-
   virtual bool setParentContext(WebGraphicsContext3D* parent_context);
 
   virtual unsigned int insertSyncPoint();
@@ -135,7 +133,6 @@ class WebGraphicsContext3DCommandBufferImpl
   virtual bool readBackFramebuffer(unsigned char* pixels, size_t buffer_size,
                                    WebGLId framebuffer, int width, int height);
 
-  virtual WebGLId getPlatformTextureId();
   virtual void prepareTexture();
   virtual void postSubBufferCHROMIUM(int x, int y, int width, int height);