Send RenderViewReady when a RVH is reused and becomes active.

content/browser/renderer_host/render_view_host_impl.h

Index: content/browser/renderer_host/render_view_host_impl.h
diff --git a/content/browser/renderer_host/render_view_host_impl.h b/content/browser/renderer_host/render_view_host_impl.h
index 017673e6f17445e341ea112428daf1040a81312e..e550b570f9bbef7cdab7133adf3c59753366ddec 100644
--- a/content/browser/renderer_host/render_view_host_impl.h
+++ b/content/browser/renderer_host/render_view_host_impl.h
@@ -241,6 +241,10 @@ class CONTENT_EXPORT RenderViewHostImpl : public RenderViewHost,
   // Creates a full screen RenderWidget.
   void CreateNewFullscreenWidget(int32_t route_id);
 
+  // Send RenderViewReady to observers once the process is launched, but not
+  // re-entrantly.
+  void PostRenderViewReady();
+
   // TODO(creis): Remove after debugging https:/crbug.com/575245.
   int main_frame_routing_id() const {
     return main_frame_routing_id_;
@@ -321,9 +325,6 @@ class CONTENT_EXPORT RenderViewHostImpl : public RenderViewHost,
   FRIEND_TEST_ALL_PREFIXES(SitePerProcessBrowserTest,
                            NavigateMainFrameToChildSite);
 
-  // Send RenderViewReady to observers once the process is launched, but not
-  // re-entrantly.
-  void PostRenderViewReady();
   void RenderViewReady();
 
   // TODO(creis): Move to a private namespace on RenderFrameHostImpl.