Cleanup: Remove unneeded includes of notification_service.h in other headers....

chrome/browser/debugger/devtools_window.h

Index: chrome/browser/debugger/devtools_window.h
===================================================================
--- chrome/browser/debugger/devtools_window.h	(revision 69103)
+++ chrome/browser/debugger/devtools_window.h	(working copy)
@@ -14,7 +14,6 @@
 #include "chrome/browser/tab_contents/tab_contents_delegate.h"
 #include "chrome/common/notification_observer.h"
 #include "chrome/common/notification_registrar.h"
-#include "chrome/common/notification_service.h"
 
 namespace IPC {
 class Message;
@@ -49,7 +48,7 @@
   RenderViewHost* GetRenderViewHost();
 
   TabContentsWrapper* tab_contents() { return tab_contents_; }
-  Browser* browser() { return browser_; } //  For tests.
+  Browser* browser() { return browser_; }  // For tests.
   bool is_docked() { return docked_; }
 
  private: