cc: Switch to Chromium DCHECKs and LOGs

cc/ScrollbarLayerChromium.cpp

 // 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"
 
 #if USE(ACCELERATED_COMPOSITING)
 
 #include "ScrollbarLayerChromium.h"
 
@@ skipping 203 matching lines @@
 void ScrollbarLayerChromium::updatePart(CachingBitmapCanvasLayerTextureUpdater* painter, LayerTextureUpdater::Texture* texture, const IntRect& rect, CCTextureUpdateQueue& queue, CCRenderingStats& stats)
 {
     // Skip painting and uploading if there are no invalidations and
     // we already have valid texture data.
     if (texture->texture()->haveBackingTexture()
             && texture->texture()->size() == rect.size()
             && m_updateRect.isEmpty())
         return;
 
     // We should always have enough memory for UI.
-    ASSERT(texture->texture()->canAcquireBackingTexture());
+    DCHECK(texture->texture()->canAcquireBackingTexture());
     if (!texture->texture()->canAcquireBackingTexture())
         return;
 
     // Paint and upload the entire part.
     float widthScale = static_cast<float>(contentBounds().width()) / bounds().width();
     float heightScale = static_cast<float>(contentBounds().height()) / bounds().height();
     IntRect paintedOpaqueRect;
     painter->prepareToUpdate(rect, rect.size(), widthScale, heightScale, paintedOpaqueRect, stats);
     if (!painter->pixelsDidChange() && texture->texture()->haveBackingTexture()) {
         TRACE_EVENT_INSTANT0("cc","ScrollbarLayerChromium::updatePart no texture upload needed");
@@ skipping 46 matching lines @@
 
     // Consider the thumb to be at the origin when painting.
     WebKit::WebRect thumbRect = m_geometry->thumbRect(m_scrollbar.get());
     IntRect originThumbRect = layerRectToContentRect(WebKit::WebRect(0, 0, thumbRect.width, thumbRect.height));
     if (!originThumbRect.isEmpty())
         updatePart(m_thumbUpdater.get(), m_thumb.get(), originThumbRect, queue, stats);
 }
 
 }
 #endif // USE(ACCELERATED_COMPOSITING)