[Aura] Added Support for rendering software compositor frames as cc::TextureLayers.

cc/layers/texture_layer_impl.h

Index: cc/layers/texture_layer_impl.h
diff --git a/cc/layers/texture_layer_impl.h b/cc/layers/texture_layer_impl.h
index bee739ab06f5f83baf534b31047ce0d86fbb7395..47ca957f0174db7719492f47aa17f3200280b691 100644
--- a/cc/layers/texture_layer_impl.h
+++ b/cc/layers/texture_layer_impl.h
@@ -67,6 +67,8 @@ class CC_EXPORT TextureLayerImpl : public LayerImpl {
   virtual const char* LayerTypeAsString() const OVERRIDE;
   void FreeTextureMailbox();
 
+  bool uses_mailbox_;
+
   unsigned texture_id_;
   ResourceProvider::ResourceId external_texture_resource_;
   bool premultiplied_alpha_;
@@ -76,7 +78,6 @@ class CC_EXPORT TextureLayerImpl : public LayerImpl {
   float vertex_opacity_[4];
 
   TextureMailbox texture_mailbox_;
-  bool uses_mailbox_;
   bool own_mailbox_;
 
   DISALLOW_COPY_AND_ASSIGN(TextureLayerImpl);