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chrome/browser/renderer_host/render_view_host.h

Index: chrome/browser/renderer_host/render_view_host.h
===================================================================
--- chrome/browser/renderer_host/render_view_host.h	(revision 70404)
+++ chrome/browser/renderer_host/render_view_host.h	(working copy)
@@ -201,6 +201,12 @@
   // hangs, in which case we need to swap to the pending RenderViewHost.
   int GetPendingRequestId();
 
+  struct CommandState {
+    bool is_enabled;
+    int checked_state;
+  };
+  CommandState GetStateForCommand(const std::string& command_name) const;
+
   // Stops the current load.
   void Stop();
 
@@ -724,6 +730,9 @@
   void OnUpdateContentRestrictions(int restrictions);
   void OnPagesReadyForPreview(
       const ViewHostMsg_DidPreviewDocument_Params& params);
+  void OnCommandStateChanged(std::string command_name,
+                             bool is_enabled,
+                             int checked_state);
 
 #if defined(OS_MACOSX)
   void OnMsgShowPopup(const ViewHostMsg_ShowPopup_Params& params);
@@ -821,6 +830,9 @@
   // The termination status of the last render view that terminated.
   base::TerminationStatus render_view_termination_status_;
 
+  // The enabled/disabled states of various commands.
+  std::map<std::string, CommandState> command_states_;
+
   DISALLOW_COPY_AND_ASSIGN(RenderViewHost);
 };