cc: Remove is_analysis parameter in RasterCommon

cc/resources/display_list_raster_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_RESOURCES_DISPLAY_LIST_RASTER_SOURCE_H_
 #define CC_RESOURCES_DISPLAY_LIST_RASTER_SOURCE_H_
 
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 70 matching lines @@
  private:
   // Called when analyzing a tile. We can use AnalysisCanvas as
   // SkDrawPictureCallback, which allows us to early out from analysis.
   void RasterForAnalysis(skia::AnalysisCanvas* canvas,
                          const gfx::Rect& canvas_rect,
                          float contents_scale) const;
 
   void RasterCommon(SkCanvas* canvas,
                     SkDrawPictureCallback* callback,
                     const gfx::Rect& canvas_rect,
-                    float contents_scale,
-                    bool is_analysis) const;
+                    float contents_scale) const;
 
   DISALLOW_COPY_AND_ASSIGN(DisplayListRasterSource);
 };
 
 }  // namespace cc
 
 #endif  // CC_RESOURCES_DISPLAY_LIST_RASTER_SOURCE_H_