Add "frame to navigate" to NavigationEntry and plumb it to the RenderViewImpl

content/public/browser/navigation_entry.h

Index: content/public/browser/navigation_entry.h
diff --git a/content/public/browser/navigation_entry.h b/content/public/browser/navigation_entry.h
index 63af6871b20e202b7d796960e9d298c9d86e2a35..fd32a3d37e99f96f45a6b5ab970056d90cbbb3c6 100644
--- a/content/public/browser/navigation_entry.h
+++ b/content/public/browser/navigation_entry.h
@@ -182,6 +182,11 @@ class NavigationEntry {
   // resources.
   virtual void SetCanLoadLocalResources(bool allow) = 0;
   virtual bool GetCanLoadLocalResources() const = 0;
+
+  // Used to specify which frame to navigate. If empty, the main frame is
+  // navigated. This is currently not persisted in session restore.

[Charlie Reis, 2013/01/23 18:38:17]

Again, please mention ", since it is only used in tests."

[jochen (gone - plz use gerrit), 2013/01/23 19:52:45]

Done.

+  virtual void SetFrameToNavigate(const std::string& frame_name) = 0;
+  virtual const std::string& GetFrameToNavigate() const = 0;
 };
 
 }  // namespace content