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

cc/CCDirectRenderer.cpp

Index: cc/CCDirectRenderer.cpp
diff --git a/cc/CCDirectRenderer.cpp b/cc/CCDirectRenderer.cpp
index d0590faed7600fa079d2427cdc65801ecfaeefd5..a1a0ba7ec61c8cec8c8c30efcd18a8dcee4d8bfe 100644
--- a/cc/CCDirectRenderer.cpp
+++ b/cc/CCDirectRenderer.cpp
@@ -48,6 +48,19 @@ static WebTransformationMatrix windowMatrix(int x, int y, int width, int height)
 }
 
 namespace cc {
+
+CCDirectRenderer::DrawingFrame::DrawingFrame()
+    : rootRenderPass(0)
+    , currentRenderPass(0)
+    , currentTexture(0)
+    , flippedY(false)
+{
+}
+
+CCDirectRenderer::DrawingFrame::~DrawingFrame()
+{
+}
+
 //
 // static
 FloatRect CCDirectRenderer::quadVertexRect()
@@ -89,6 +102,16 @@ IntRect CCDirectRenderer::moveScissorToWindowSpace(const DrawingFrame& frame, Fl
     return scissorRectInCanvasSpace;
 }
 
+CCDirectRenderer::CCDirectRenderer(CCRendererClient* client, CCResourceProvider* resourceProvider)
+    : CCRenderer(client)
+    , m_resourceProvider(resourceProvider)
+{
+}
+
+CCDirectRenderer::~CCDirectRenderer()
+{
+}
+
 void CCDirectRenderer::decideRenderPassAllocationsForFrame(const CCRenderPassList& renderPassesInDrawOrder)
 {
     HashMap<CCRenderPass::Id, const CCRenderPass*> renderPassesInFrame;