cc: Add tests for DisplayListRasterSource.

cc/playback/raster_source_helper.cc

 // 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.
 
 #include "cc/playback/raster_source_helper.h"
 
 #include "base/trace_event/trace_event.h"
 #include "cc/debug/debug_colors.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "ui/gfx/geometry/rect_conversions.h"
@@ skipping 70 matching lines @@
                           SkXfermode::kSrc_Mode);
         canvas->restore();
       }
 
       // Drawing at most 2 x 2 x (canvas width + canvas height) texels is 2-3X
       // faster than clearing, so special case this.
       canvas->save();
       canvas->translate(-canvas_bitmap_rect.x(), -canvas_bitmap_rect.y());
       gfx::Rect inflated_content_rect = content_rect;
       inflated_content_rect.Inset(0, 0, -1, -1);
+      LOG(ERROR) << content_rect.ToString();

[vmpstr, 2015/06/03 18:31:20]

Remove please.

[danakj, 2015/06/03 18:40:57]

Done.

+      LOG(ERROR) << inflated_content_rect.ToString();
       canvas->clipRect(gfx::RectToSkRect(inflated_content_rect),
                        SkRegion::kReplace_Op);
       canvas->clipRect(gfx::RectToSkRect(deflated_content_rect),
                        SkRegion::kDifference_Op);
       canvas->drawColor(background_color, SkXfermode::kSrc_Mode);
       canvas->restore();
     }
   }
 }
 
 }  // namespace cc