Fix CC*Renderer and CC*LayerImpl to compile with Clang

cc/CCTextureLayerImpl.cpp

 // 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.
 
 #include "config.h"
 
 #if USE(ACCELERATED_COMPOSITING)
 
 #include "CCTextureLayerImpl.h"
 
@@ skipping 56 matching lines @@
     base::StringAppendF(str, "texture layer texture id: %u premultiplied: %d\n", m_textureId, m_premultipliedAlpha);
     CCLayerImpl::dumpLayerProperties(str, indent);
 }
 
 void CCTextureLayerImpl::didLoseContext()
 {
     m_textureId = 0;
     m_externalTextureResource = 0;
 }
 
+const char* CCTextureLayerImpl::layerTypeAsString() const
+{
+    return "TextureLayer";
+}
+
 }
 
 #endif // USE(ACCELERATED_COMPOSITING)