cc: Fix capitalization style in chromified files.

cc/resources/picture_pile_impl.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_RESOURCES_PICTURE_PILE_IMPL_H_
 #define CC_RESOURCES_PICTURE_PILE_IMPL_H_
 
 #include <list>
 #include <map>
 
@@ skipping 10 matching lines @@
  public:
   static scoped_refptr<PicturePileImpl> Create();
   static scoped_refptr<PicturePileImpl> CreateFromOther(
       const PicturePileBase* other);
 
   // Get paint-safe version of this picture for a specific thread.
   PicturePileImpl* GetCloneForDrawingOnThread(unsigned thread_index) const;
 
   // Raster a subrect of this PicturePileImpl into the given canvas.
   // It's only safe to call paint on a cloned version.
-  // It is assumed that contentsScale has already been applied to this canvas.
+  // It is assumed that contents_scale has already been applied to this canvas.
   void Raster(
       SkCanvas* canvas,
       gfx::Rect canvas_rect,
       float contents_scale,
       int64* total_pixels_rasterized);
 
   void GatherPixelRefs(
       gfx::Rect content_rect,
       float contents_scale,
       std::list<skia::LazyPixelRef*>& pixel_refs);
@@ skipping 42 matching lines @@
   // This guarantees thread-safe access during the life
   // time of a PicturePileImpl instance.
   const ClonesForDrawing clones_for_drawing_;
 
   DISALLOW_COPY_AND_ASSIGN(PicturePileImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_RESOURCES_PICTURE_PILE_IMPL_H_