cc: Use the correct internal format for glCopyTexImage2D calls.

cc/output/gl_renderer.h

 // Copyright 2010 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.
 
 #ifndef CC_OUTPUT_GL_RENDERER_H_
 #define CC_OUTPUT_GL_RENDERER_H_
 
 #include <deque>
 #include <vector>
 
@@ skipping 74 matching lines @@
 
   const gfx::QuadF& SharedGeometryQuad() const { return shared_geometry_quad_; }
   const StaticGeometryBinding* SharedGeometry() const {
     return shared_geometry_.get();
   }
 
   void GetFramebufferPixelsAsync(const DrawingFrame* frame,
                                  const gfx::Rect& rect,
                                  std::unique_ptr<CopyOutputRequest> request);
   void GetFramebufferTexture(unsigned texture_id,
-                             ResourceFormat texture_format,
                              const gfx::Rect& device_rect);
   void ReleaseRenderPassTextures();
   enum BoundGeometry { NO_BINDING, SHARED_BINDING, CLIPPED_BINDING };
   void PrepareGeometry(BoundGeometry geometry_to_bind);
   void SetStencilEnabled(bool enabled);
   bool stencil_enabled() const { return stencil_shadow_; }
   void SetBlendEnabled(bool enabled);
   bool blend_enabled() const { return blend_shadow_; }
 
   void BindFramebufferToOutputSurface(DrawingFrame* frame) override;
@@ skipping 398 matching lines @@
   TexturedQuadDrawCache draw_cache_;
   int highp_threshold_min_;
   int highp_threshold_cache_;
 
   struct PendingAsyncReadPixels;
   std::vector<std::unique_ptr<PendingAsyncReadPixels>>
       pending_async_read_pixels_;
 
   std::unique_ptr<ResourceProvider::ScopedWriteLockGL>
       current_framebuffer_lock_;
+  // This is valid when current_framebuffer_lock_ is not null.
+  ResourceFormat current_framebuffer_format_;
 
   class SyncQuery;
   std::deque<std::unique_ptr<SyncQuery>> pending_sync_queries_;
   std::deque<std::unique_ptr<SyncQuery>> available_sync_queries_;
   std::unique_ptr<SyncQuery> current_sync_query_;
   bool use_sync_query_;
   bool use_blend_equation_advanced_;
   bool use_blend_equation_advanced_coherent_;
 
   SkBitmap on_demand_tile_raster_bitmap_;
   ResourceId on_demand_tile_raster_resource_id_;
   BoundGeometry bound_geometry_;
   DISALLOW_COPY_AND_ASSIGN(GLRenderer);
 };
 
 }  // namespace cc
 
 #endif  // CC_OUTPUT_GL_RENDERER_H_