cc: Use the correct internal format for glCopyTexImage2D calls.

cc/output/gl_renderer_unittest.cc

 // Copyright 2012 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/gl_renderer.h"
 
 #include <stdint.h>
 
 #include <set>
 
@@ skipping 1374 matching lines @@
   RenderPassId root_pass_id(1, 0);
   RenderPass* root_pass =
       AddRenderPass(&render_passes_in_draw_order_, root_pass_id, viewport_rect,
                     gfx::Transform());
   AddClippedQuad(root_pass, quad_rect, SK_ColorGREEN);
 
   unsigned fbo;
   gpu::gles2::GLES2Interface* gl =
       output_surface->context_provider()->ContextGL();
   gl->GenFramebuffers(1, &fbo);
-  output_surface->set_framebuffer(fbo);
+  output_surface->set_framebuffer(fbo, GL_RGB);
 
   renderer.DecideRenderPassAllocationsForFrame(render_passes_in_draw_order_);
   renderer.DrawFrame(&render_passes_in_draw_order_, 1.f, device_viewport_rect,
                      device_viewport_rect, false);
 
   int bound_fbo;
   gl->GetIntegerv(GL_FRAMEBUFFER_BINDING, &bound_fbo);
   EXPECT_EQ(static_cast<int>(fbo), bound_fbo);
 }
 
@@ skipping 366 matching lines @@
             nullptr) {
     surface_size_ = gfx::Size(100, 100);
   }
   virtual ~MockOutputSurface() {}
 
   MOCK_METHOD0(EnsureBackbuffer, void());
   MOCK_METHOD0(DiscardBackbuffer, void());
   MOCK_METHOD3(Reshape,
                void(const gfx::Size& size, float scale_factor, bool has_alpha));
   MOCK_METHOD0(BindFramebuffer, void());
+  MOCK_METHOD0(GetFramebufferCopyTextureFormat, GLenum());
   MOCK_METHOD1(SwapBuffers, void(CompositorFrame* frame));
 };
 
 class MockOutputSurfaceTest : public GLRendererTest {
  protected:
   virtual void SetUp() {
     FakeOutputSurfaceClient output_surface_client_;
     CHECK(output_surface_.BindToClient(&output_surface_client_));
 
     shared_bitmap_manager_.reset(new TestSharedBitmapManager());
@@ skipping 362 matching lines @@
   EXPECT_CALL(overlay_scheduler,
               Schedule(1, gfx::OVERLAY_TRANSFORM_NONE, _, viewport_rect,
                        BoundingRect(uv_top_left, uv_bottom_right))).Times(1);
 
   renderer.DrawFrame(&render_passes_in_draw_order_, 1.f, viewport_rect,
                      viewport_rect, false);
 }
 
 }  // namespace
 }  // namespace cc