gpu: Add CopyTexImage function to GLImage API.

gpu/command_buffer/service/stream_texture_manager_in_process_android.cc

Index: gpu/command_buffer/service/stream_texture_manager_in_process_android.cc
diff --git a/gpu/command_buffer/service/stream_texture_manager_in_process_android.cc b/gpu/command_buffer/service/stream_texture_manager_in_process_android.cc
index ddff2e901e13bf14e7f5426126cb148456f0771d..cf6f591e37e5ac6d873cc061a8e0eb529a30272b 100644
--- a/gpu/command_buffer/service/stream_texture_manager_in_process_android.cc
+++ b/gpu/command_buffer/service/stream_texture_manager_in_process_android.cc
@@ -27,6 +27,7 @@ class GLImageImpl : public gfx::GLImage {
   virtual gfx::Size GetSize() OVERRIDE;
   virtual bool BindTexImage(unsigned target) OVERRIDE;
   virtual void ReleaseTexImage(unsigned target) OVERRIDE;
+  virtual bool CopyTexImage(unsigned target) OVERRIDE;
   virtual void WillUseTexImage() OVERRIDE;
   virtual void DidUseTexImage() OVERRIDE {}
   virtual void WillModifyTexImage() OVERRIDE {}
@@ -72,6 +73,11 @@ void GLImageImpl::ReleaseTexImage(unsigned target) {
   NOTREACHED();
 }
 
+bool GLImageImpl::CopyTexImage(unsigned target) {
+  NOTREACHED();
+  return false;
+}
+
 void GLImageImpl::WillUseTexImage() {
   surface_texture_->UpdateTexImage();
 }