cc: Remove unused proto conversion code.

cc/playback/recording_source.h

 // Copyright 2014 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_PLAYBACK_RECORDING_SOURCE_H_
 #define CC_PLAYBACK_RECORDING_SOURCE_H_
 
 #include <stddef.h>
 
 #include <memory>
@@ skipping 50 matching lines @@
   void SetBackgroundColor(SkColor background_color);
   void SetRequiresClear(bool requires_clear);
 
   void SetNeedsDisplayRect(const gfx::Rect& layer_rect);
 
   // These functions are virtual for testing.
   virtual scoped_refptr<RasterSource> CreateRasterSource(
       bool can_use_lcd_text) const;
 
   const DisplayItemList* GetDisplayItemList();
+  gfx::Rect recorded_viewport() const { return recorded_viewport_; }
 
  protected:
   gfx::Rect recorded_viewport_;
   gfx::Size size_;
   int slow_down_raster_scale_factor_for_debug_;
   bool generate_discardable_images_metadata_;
   bool requires_clear_;
   bool is_solid_color_;
   bool clear_canvas_with_debug_color_;
   SkColor solid_color_;
@@ skipping 13 matching lines @@
   void DetermineIfSolidColor();
 
   InvalidationRegion invalidation_;
 
   DISALLOW_COPY_AND_ASSIGN(RecordingSource);
 };
 
 }  // namespace cc
 
 #endif  // CC_PLAYBACK_RECORDING_SOURCE_H_