cc: Use the correct internal format for glCopyTexImage2D calls.

cc/output/output_surface_unittest.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/output/output_surface.h"
 
 #include "base/memory/ptr_util.h"
 #include "base/test/test_simple_task_runner.h"
 #include "cc/output/managed_memory_policy.h"
 #include "cc/output/output_surface_client.h"
 #include "cc/output/software_output_device.h"
 #include "cc/test/begin_frame_args_test.h"
 #include "cc/test/fake_output_surface.h"
 #include "cc/test/fake_output_surface_client.h"
 #include "cc/test/test_context_provider.h"
 #include "cc/test/test_web_graphics_context_3d.h"
 #include "gpu/GLES2/gl2extchromium.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace cc {
 namespace {
 
 class TestOutputSurface : public OutputSurface {
  public:
-  explicit TestOutputSurface(scoped_refptr<ContextProvider> context_provider)
+  explicit TestOutputSurface(
+      scoped_refptr<TestContextProvider> context_provider)
       : OutputSurface(std::move(context_provider), nullptr, nullptr) {}
 
-  TestOutputSurface(scoped_refptr<ContextProvider> context_provider,
-                    scoped_refptr<ContextProvider> worker_context_provider)
+  TestOutputSurface(scoped_refptr<TestContextProvider> context_provider,
+                    scoped_refptr<TestContextProvider> worker_context_provider)
       : OutputSurface(std::move(context_provider),
                       std::move(worker_context_provider),
                       nullptr) {}
 
   explicit TestOutputSurface(
       std::unique_ptr<SoftwareOutputDevice> software_device)
       : OutputSurface(nullptr, nullptr, std::move(software_device)) {}
 
-  TestOutputSurface(scoped_refptr<ContextProvider> context_provider,
+  TestOutputSurface(scoped_refptr<TestContextProvider> context_provider,
                     std::unique_ptr<SoftwareOutputDevice> software_device)
       : OutputSurface(std::move(context_provider),
                       nullptr,
                       std::move(software_device)) {}
 
   void SwapBuffers(CompositorFrame* frame) override {
     client_->DidSwapBuffers();
     client_->DidSwapBuffersComplete();
   }
+  uint32_t GetFramebufferCopyTextureFormat() override {
+    // TestContextProvider has no real framebuffer, just use RGB.
+    return GL_RGB;
+  }
 
   void DidSwapBuffersForTesting() { client_->DidSwapBuffers(); }
 
   void OnSwapBuffersCompleteForTesting() { client_->DidSwapBuffersComplete(); }
 
  protected:
 };
 
 class TestSoftwareOutputDevice : public SoftwareOutputDevice {
  public:
@@ skipping 95 matching lines @@
   EXPECT_EQ(1, software_output_device->ensure_backbuffer_count());
   EXPECT_EQ(0, software_output_device->discard_backbuffer_count());
   output_surface.DiscardBackbuffer();
 
   EXPECT_EQ(1, software_output_device->ensure_backbuffer_count());
   EXPECT_EQ(1, software_output_device->discard_backbuffer_count());
 }
 
 }  // namespace
 }  // namespace cc