cc: Switch to Chromium DCHECKs LOGs

cc/layer_impl.h

 // Copyright 2011 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 CCLayerImpl_h
 #define CCLayerImpl_h
 
 #include "base/memory/scoped_ptr.h"
+#include "base/logging.h"
 #include "cc/scoped_ptr_vector.h"
 #include "CCInputHandler.h"
 #include "CCLayerAnimationController.h"
 #include "CCRenderPass.h"
 #include "CCRenderSurface.h"
 #include "CCResourceProvider.h"
 #include "CCSharedQuadState.h"
 #include "FloatRect.h"
 #include "IntRect.h"
 #include "Region.h"
@@ skipping 134 matching lines @@
     CCRenderSurface* renderSurface() const { return m_renderSurface.get(); }
     void createRenderSurface();
     void clearRenderSurface() { m_renderSurface.reset(); }
 
     float drawOpacity() const { return m_drawOpacity; }
     void setDrawOpacity(float opacity) { m_drawOpacity = opacity; }
 
     bool drawOpacityIsAnimating() const { return m_drawOpacityIsAnimating; }
     void setDrawOpacityIsAnimating(bool drawOpacityIsAnimating) { m_drawOpacityIsAnimating = drawOpacityIsAnimating; }
 
-    CCLayerImpl* renderTarget() const { ASSERT(!m_renderTarget || m_renderTarget->renderSurface()); return m_renderTarget; }
+    CCLayerImpl* renderTarget() const { DCHECK(!m_renderTarget || m_renderTarget->renderSurface()); return m_renderTarget; }
     void setRenderTarget(CCLayerImpl* target) { m_renderTarget = target; }
 
     void setBounds(const IntSize&);
     const IntSize& bounds() const { return m_bounds; }
 
     const IntSize& contentBounds() const { return m_contentBounds; }
     void setContentBounds(const IntSize&);
 
     const IntPoint& scrollPosition() const { return m_scrollPosition; }
     void setScrollPosition(const IntPoint&);
@@ skipping 215 matching lines @@
 
     // Manages scrollbars for this layer
     scoped_ptr<CCScrollbarAnimationController> m_scrollbarAnimationController;
 };
 
 void sortLayers(std::vector<CCLayerImpl*>::iterator first, std::vector<CCLayerImpl*>::iterator end, CCLayerSorter*);
 
 }
 
 #endif // CCLayerImpl_h