Start using RenderTargetProxy (omnibus)

include/gpu/GrTextureProvider.h

Index: include/gpu/GrTextureProvider.h
diff --git a/include/gpu/GrTextureProvider.h b/include/gpu/GrTextureProvider.h
index efecc963588d2894be29c80e9fe2ee4a735f2630..3cbd88cbdf59b4a9083cb37b95febc56f04ee942 100644
--- a/include/gpu/GrTextureProvider.h
+++ b/include/gpu/GrTextureProvider.h
@@ -12,6 +12,7 @@
 #include "GrTypes.h"
 
 class GrSingleOwner;
+class GrTextureProxy;
 
 class SK_API GrTextureProvider {
 public:
@@ -53,9 +54,13 @@ public:
         this->assignUniqueKeyToResource(key, texture);
     }
 
+    void assignUniqueKeyToDeferredTexture(const GrUniqueKey& key, GrTextureProxy* texture);
+
     /** Finds a texture by unique key. If the texture is found it is ref'ed and returned. */
     GrTexture* findAndRefTextureByUniqueKey(const GrUniqueKey& key);
 
+    GrTextureProxy* findAndRefTextureProxyByUniqueKey(const GrUniqueKey& key);
+
     /**
      * Determines whether a texture is associated with the unique key. If the texture is found it
      * will not be locked or returned. This call does not affect the priority of the resource for