cc: Switch to Chromium DCHECKs LOGs

cc/caching_bitmap_canvas_layer_texture_updater.cc

 // 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.
 
 #include "config.h"
 
 #include "caching_bitmap_canvas_layer_texture_updater.h"
 
 #include "cc/layer_painter.h"
 #include "skia/ext/platform_canvas.h"
@@ skipping 27 matching lines @@
     CCRenderingStats& stats) {
   BitmapCanvasLayerTextureUpdater::prepareToUpdate(content_rect,
                                                    tile_size,
                                                    contents_width_scale,
                                                    contents_height_scale,
                                                    resulting_opaque_rect,
                                                    stats);
 
   const SkBitmap& new_bitmap = m_canvas->getDevice()->accessBitmap(false);
   SkAutoLockPixels lock(new_bitmap);
-  ASSERT(new_bitmap.bytesPerPixel() > 0);
+  DCHECK(new_bitmap.bytesPerPixel() > 0);

[jamesr, 2012/10/17 18:51:51]

DCHECK_GT

   pixels_did_change_ = new_bitmap.config() != cached_bitmap_.config() ||
                        new_bitmap.height() != cached_bitmap_.height() ||
                        new_bitmap.width() != cached_bitmap_.width() ||
                        memcmp(new_bitmap.getPixels(),
                               cached_bitmap_.getPixels(),
                               new_bitmap.getSafeSize());
 
   if (pixels_did_change_)
     new_bitmap.deepCopyTo(&cached_bitmap_, new_bitmap.config());
 }
 
 bool CachingBitmapCanvasLayerTextureUpdater::pixelsDidChange() const
 {
   return pixels_did_change_;
 }
 
 }  // namespace cc