Revert "DevTools: remove obsolete methods from DevToolsClientHost"

content/browser/debugger/devtools_client_host.h

Index: content/browser/debugger/devtools_client_host.h
diff --git a/content/browser/debugger/devtools_client_host.h b/content/browser/debugger/devtools_client_host.h
index 0ae8c1b9094b0cf2ca2673f15468b7a7aeba8f43..16e4d89113ba314fd38483b7b08f1a9cd607fad7 100644
--- a/content/browser/debugger/devtools_client_host.h
+++ b/content/browser/debugger/devtools_client_host.h
@@ -7,6 +7,7 @@
 #pragma once
 
 #include <string>
+#include <vector>
 
 #include "base/basictypes.h"
 #include "content/common/content_export.h"
@@ -15,6 +16,7 @@ namespace IPC {
 class Message;
 }
 
+class RenderViewHost;
 class TabContents;
 
 // Describes interface for managing devtools clients from browser process. There
@@ -31,6 +33,8 @@ class CONTENT_EXPORT DevToolsClientHost {
     DISALLOW_COPY_AND_ASSIGN(CloseListener);
   };
 
+  static DevToolsClientHost* FindOwnerClientHost(RenderViewHost* client_rvh);
+
   virtual ~DevToolsClientHost();
 
   // This method is called when tab inspected by this devtools client is
@@ -52,6 +56,10 @@ class CONTENT_EXPORT DevToolsClientHost {
   // TabStripModel::ReplaceTabContentsAt.
   virtual void TabReplaced(TabContents* new_tab) = 0;
 
+  // Returns client (front-end) RenderViewHost implementation of this
+  // client host if applicable. NULL otherwise.
+  virtual RenderViewHost* GetClientRenderViewHost();
+
  protected:
   DevToolsClientHost();