cc: Use the size of the source frame along with the source frame's renderpasses

cc/delegated_renderer_layer_impl.h

Index: cc/delegated_renderer_layer_impl.h
diff --git a/cc/delegated_renderer_layer_impl.h b/cc/delegated_renderer_layer_impl.h
index 19e65a6bad95e6a799e93a5f72d46ce17c084f17..dcf1d19533f2bd6c32e40790f151bc919783a62e 100644
--- a/cc/delegated_renderer_layer_impl.h
+++ b/cc/delegated_renderer_layer_impl.h
@@ -20,7 +20,10 @@ public:
     virtual bool hasContributingDelegatedRenderPasses() const OVERRIDE;
 
     // This gives ownership of the RenderPasses to the layer.
-    void setRenderPasses(ScopedPtrVector<RenderPass>&);
+    // The render passes belong to a frame with bounds |frameSize|, and the
+    // entire frame will be drawn into layer space of this layer, scaled to fill
+    // the bounds of the layer.
+    void setRenderPasses(ScopedPtrVector<RenderPass>&, gfx::Size frameSize);
     void clearRenderPasses();
 
     virtual void didLoseOutputSurface() OVERRIDE;
@@ -42,6 +45,8 @@ private:
 
     ScopedPtrVector<RenderPass> m_renderPassesInDrawOrder;
     base::hash_map<RenderPass::Id, int> m_renderPassesIndexById;
+    gfx::Size m_frameSize;

[enne (OOO), 2013/01/09 02:48:20]

Is this redundant with the root render pass's output rect?

[enne (OOO), 2013/01/09 02:48:20]

Is this redundant with the root render pass's output rect?

[danakj, 2013/01/09 02:55:49]

Ya I totally think so. We don't need the size on the compositorframe struct
either.

+    gfx::Size m_desiredLayerDisplaySize;
 };
 
 }