Add the ubercomp DelegatedRendererLayer.

cc/CCLayerTreeHostImpl.cpp

Index: cc/CCLayerTreeHostImpl.cpp
diff --git a/cc/CCLayerTreeHostImpl.cpp b/cc/CCLayerTreeHostImpl.cpp
index e91a7fcfea30cf470e1dd5c79944025ca208fb60..7168fe4ce276cc2d242492daf13e67b85259dace 100644
--- a/cc/CCLayerTreeHostImpl.cpp
+++ b/cc/CCLayerTreeHostImpl.cpp
@@ -291,7 +291,7 @@ bool CCLayerTreeHostImpl::calculateRenderPasses(FrameData& frame)
 
         occlusionTracker.enterLayer(it);
 
-        CCAppendQuadsData appendQuadsData;
+        CCAppendQuadsData appendQuadsData(targetRenderPass->id());
 
         if (it.representsContributingRenderSurface()) {
             CCRenderPass::Id contributingRenderPassId = it->renderSurface()->renderPassId();
@@ -304,6 +304,19 @@ bool CCLayerTreeHostImpl::calculateRenderPasses(FrameData& frame)
             else {
                 it->willDraw(m_resourceProvider.get());
                 frame.willDrawLayers.append(*it);
+
+                if (it->hasContributingDelegatedRenderPasses()) {
+                    CCRenderPass::Id contributingRenderPassId = it->firstContributingRenderPassId();
+                    while (frame.renderPassesById.contains(contributingRenderPassId)) {
+                        CCRenderPass* renderPass = frame.renderPassesById.get(contributingRenderPassId);
+  
+                        CCAppendQuadsData appendQuadsData(renderPass->id());
+                        renderPass->appendQuadsForLayer(*it, &occlusionTracker, appendQuadsData);
+
+                        contributingRenderPassId = it->nextContributingRenderPassId(contributingRenderPassId);
+                    }
+                }
+
                 targetRenderPass->appendQuadsForLayer(*it, &occlusionTracker, appendQuadsData);
             }
         }