Add CCDelegatingRenderer, and corresponding IPCs

cc/CCDelegatedRendererLayerImpl.cpp

Index: cc/CCDelegatedRendererLayerImpl.cpp
diff --git a/cc/CCDelegatedRendererLayerImpl.cpp b/cc/CCDelegatedRendererLayerImpl.cpp
index 02d569835fe8aaafb6ea89ada2c206aa0f277e4b..eed9843a031d9a1c3463810073126b1b9852f6b9 100644
--- a/cc/CCDelegatedRendererLayerImpl.cpp
+++ b/cc/CCDelegatedRendererLayerImpl.cpp
@@ -7,8 +7,9 @@
 #include "CCDelegatedRendererLayerImpl.h"
 
 #include "CCAppendQuadsData.h"
-#include "CCQuadSink.h"
+#include "CCLayerTreeHostImpl.h"
 #include "CCMathUtil.h"
+#include "CCQuadSink.h"
 #include "CCRenderPassDrawQuad.h"
 #include "CCRenderPassSink.h"
 
@@ -16,12 +17,14 @@ namespace cc {
 
 CCDelegatedRendererLayerImpl::CCDelegatedRendererLayerImpl(int id)
     : CCLayerImpl(id)
+    , m_childId(0)
 {
 }
 
 CCDelegatedRendererLayerImpl::~CCDelegatedRendererLayerImpl()
 {
     clearRenderPasses();
+    clearChild();
 }
 
 bool CCDelegatedRendererLayerImpl::descendantDrawsContent()
@@ -69,9 +72,29 @@ void CCDelegatedRendererLayerImpl::clearRenderPasses()
     m_renderPassesInDrawOrder.clear();
 }
 
+void CCDelegatedRendererLayerImpl::clearChild()
+{
+    if (!m_childId)
+        return;
+    CCResourceProvider* resourceProvider = layerTreeHostImpl()->resourceProvider();
+    resourceProvider->destroyChild(m_childId);
+    m_childId = 0;
+}
+
 void CCDelegatedRendererLayerImpl::didLoseContext()
 {
     clearRenderPasses();
+    clearChild();
+}
+
+static int pool = 3;
+
+void CCDelegatedRendererLayerImpl::createChild()
+{
+    if (!m_childId) {
+        CCResourceProvider* resourceProvider = layerTreeHostImpl()->resourceProvider();
+        m_childId = resourceProvider->createChild(pool++);
+    }
 }
 
 static inline int indexToId(int index) { return index + 1; }