DevTools: devtools manager should know nothing about DevToolsWindow

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 f81369ade63cb3d203fcb07ed7e0274670ba421d..2f72fbb7664580cff8c344a931568abdf78a8aeb 100644
--- a/content/browser/debugger/devtools_client_host.h
+++ b/content/browser/debugger/devtools_client_host.h
@@ -14,7 +14,6 @@ namespace IPC {
 class Message;
 }
 
-class DevToolsWindow;
 class TabContentsWrapper;
 
 // Describes interface for managing devtools clients from browser process. There
@@ -48,8 +47,6 @@ class DevToolsClientHost {
     close_listener_ = listener;
   }
 
-  virtual DevToolsWindow* AsDevToolsWindow();
-
   // Invoked when a tab is replaced by another tab. This is triggered by
   // TabStripModel::ReplaceTabContentsAt.
   virtual void TabReplaced(TabContentsWrapper* new_tab) = 0;