cc: Switch to Chromium DCHECKs LOGs

cc/debug_rect_history.cc

Index: cc/debug_rect_history.cc
diff --git a/cc/debug_rect_history.cc b/cc/debug_rect_history.cc
index 17fda2167663ca5db7c1d5b0f63a2728b4e61d56..7ff9f752f110baeff31f71b374c8b2edd30fedb8 100644
--- a/cc/debug_rect_history.cc
+++ b/cc/debug_rect_history.cc
@@ -70,7 +70,7 @@ void CCDebugRectHistory::savePropertyChangedRects(const std::vector<CCLayerImpl*
     for (int surfaceIndex = renderSurfaceLayerList.size() - 1; surfaceIndex >= 0 ; --surfaceIndex) {
         CCLayerImpl* renderSurfaceLayer = renderSurfaceLayerList[surfaceIndex];
         CCRenderSurface* renderSurface = renderSurfaceLayer->renderSurface();
-        ASSERT(renderSurface);
+        DCHECK(renderSurface);
 
         const std::vector<CCLayerImpl*>& layerList = renderSurface->layerList();
         for (unsigned layerIndex = 0; layerIndex < layerList.size(); ++layerIndex) {
@@ -93,7 +93,7 @@ void CCDebugRectHistory::saveSurfaceDamageRects(const std::vector<CCLayerImpl* >
     for (int surfaceIndex = renderSurfaceLayerList.size() - 1; surfaceIndex >= 0 ; --surfaceIndex) {
         CCLayerImpl* renderSurfaceLayer = renderSurfaceLayerList[surfaceIndex];
         CCRenderSurface* renderSurface = renderSurfaceLayer->renderSurface();
-        ASSERT(renderSurface);
+        DCHECK(renderSurface);
 
         m_debugRects.append(CCDebugRect(SurfaceDamageRectType, CCMathUtil::mapClippedRect(renderSurface->screenSpaceTransform(), renderSurface->damageTracker()->currentDamageRect())));
     }
@@ -104,7 +104,7 @@ void CCDebugRectHistory::saveScreenSpaceRects(const std::vector<CCLayerImpl* >&
     for (int surfaceIndex = renderSurfaceLayerList.size() - 1; surfaceIndex >= 0 ; --surfaceIndex) {
         CCLayerImpl* renderSurfaceLayer = renderSurfaceLayerList[surfaceIndex];
         CCRenderSurface* renderSurface = renderSurfaceLayer->renderSurface();
-        ASSERT(renderSurface);
+        DCHECK(renderSurface);
 
         m_debugRects.append(CCDebugRect(ScreenSpaceRectType, CCMathUtil::mapClippedRect(renderSurface->screenSpaceTransform(), renderSurface->contentRect())));