Fix remaining cc files to compile with Clang

cc/CCLayerImpl.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 "CCLayerImpl.h"
 
@@ skipping 135 matching lines @@
 
 void CCLayerImpl::appendDebugBorderQuad(CCQuadSink& quadList, const CCSharedQuadState* sharedQuadState, CCAppendQuadsData& appendQuadsData) const
 {
     if (!hasDebugBorders())
         return;
 
     IntRect contentRect(IntPoint(), contentBounds());
     quadList.append(CCDebugBorderDrawQuad::create(sharedQuadState, contentRect, debugBorderColor(), debugBorderWidth()), appendQuadsData);
 }
 
+bool CCLayerImpl::hasContributingDelegatedRenderPasses() const
+{
+    return false;
+}
+
+CCRenderPass::Id CCLayerImpl::firstContributingRenderPassId() const
+{
+    return CCRenderPass::Id(0, 0);
+}
+
+CCRenderPass::Id CCLayerImpl::nextContributingRenderPassId(CCRenderPass::Id) const
+{
+    return CCRenderPass::Id(0, 0);
+}
+
 CCResourceProvider::ResourceId CCLayerImpl::contentsResourceId() const
 {
     ASSERT_NOT_REACHED();
     return 0;
 }
 
 void CCLayerImpl::scrollBy(const FloatSize& scroll)
 {
     IntSize minDelta = -toSize(m_scrollPosition);
     IntSize maxDelta = m_maxScrollPosition - toSize(m_scrollPosition);
@@ skipping 478 matching lines @@
     if (!m_scrollbarAnimationController)
         m_scrollbarAnimationController = CCScrollbarAnimationController::create(this);
     m_scrollbarAnimationController->setVerticalScrollbarLayer(scrollbarLayer);
     m_scrollbarAnimationController->updateScrollOffset(this);
 }
 
 }
 
 
 #endif // USE(ACCELERATED_COMPOSITING)