[WIP] cc: Use sRGB for rastering non-wide-color-gamut content

cc/tiles/tile_manager.h

 // 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.
 
 #ifndef CC_TILES_TILE_MANAGER_H_
 #define CC_TILES_TILE_MANAGER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 327 matching lines @@
       const gfx::ColorSpace& raster_color_space,
       CheckerImageTracker::ImageDecodeQueue* image_decode_queue);
 
   std::unique_ptr<base::trace_event::ConvertableToTraceFormat>
   ScheduledTasksStateAsValue() const;
 
   bool UsePartialRaster() const;
 
   void CheckPendingGpuWorkTiles(bool issue_signals);
 
+  gfx::ColorSpace GetTileColorSpace(
+      const PrioritizedTile& prioritized_tile) const;
+
   TileManagerClient* client_;
   base::SequencedTaskRunner* task_runner_;
   ResourcePool* resource_pool_;
   std::unique_ptr<TileTaskManager> tile_task_manager_;
   RasterBufferProvider* raster_buffer_provider_;
   GlobalStateThatImpactsTilePriority global_state_;
   size_t scheduled_raster_task_limit_;
 
   const TileManagerSettings tile_manager_settings_;
   bool use_gpu_rasterization_;
@@ skipping 45 matching lines @@
   base::WeakPtrFactory<TileManager> task_set_finished_weak_ptr_factory_;
   // The |ready_to_draw_callback_weak_ptr_factory_| is never invalidated.
   base::WeakPtrFactory<TileManager> ready_to_draw_callback_weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(TileManager);
 };
 
 }  // namespace cc
 
 #endif  // CC_TILES_TILE_MANAGER_H_