Set debug color for borders of compressed tiles.

cc/tiles/tile_draw_info.h

 // 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.
 
 #ifndef CC_TILES_TILE_DRAW_INFO_H_
 #define CC_TILES_TILE_DRAW_INFO_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "base/trace_event/trace_event_argument.h"
 #include "cc/raster/tile_task_runner.h"
@@ skipping 55 matching lines @@
   }
 
   bool contents_swizzled() const { return contents_swizzled_; }
 
   bool requires_resource() const {
     return mode_ == RESOURCE_MODE || mode_ == OOM_MODE;
   }
 
   inline bool has_resource() const { return !!resource_; }
 
+  inline bool has_compressed_resource() const {
+    return resource_ ? IsResourceFormatCompressed(resource_->format()) : false;
+  }
+
   void SetSolidColorForTesting(SkColor color) { set_solid_color(color); }
 
   void AsValueInto(base::trace_event::TracedValue* state) const;
 
   void set_was_ever_ready_to_draw() { was_ever_ready_to_draw_ = true; }
   void set_was_ever_used_to_draw() { was_ever_used_to_draw_ = true; }
 
  private:
   friend class Tile;
   friend class TileManager;
@@ skipping 13 matching lines @@
   bool contents_swizzled_;
 
   // Used for gathering UMA stats.
   bool was_ever_ready_to_draw_;
   bool was_ever_used_to_draw_;
 };
 
 }  // namespace cc
 
 #endif  // CC_TILES_TILE_DRAW_INFO_H_