Clean up Automation and Chrome Frame IPC code.

chrome/browser/automation/automation_provider.h

Index: chrome/browser/automation/automation_provider.h
===================================================================
--- chrome/browser/automation/automation_provider.h	(revision 69966)
+++ chrome/browser/automation/automation_provider.h	(working copy)
@@ -33,13 +33,13 @@
 #include "views/event.h"
 #endif  // defined(OS_WIN)
 
-struct AutomationMsg_Find_Params;
 class PopupMenuWaiter;
 class TabContents;
+struct AutomationMsg_Find_Params;
+struct Reposition_Params;
+struct ExternalTabSettings;
 
 namespace IPC {
-struct Reposition_Params;
-struct ExternalTabSettings;
 class ChannelProxy;
 }
 
@@ -345,11 +345,11 @@
                        bool restore_focus_to_view);
 
   void OnTabReposition(int tab_handle,
-                       const IPC::Reposition_Params& params);
+                       const Reposition_Params& params);
 
   void OnForwardContextMenuCommandToChrome(int tab_handle, int command);
 
-  void CreateExternalTab(const IPC::ExternalTabSettings& settings,
+  void CreateExternalTab(const ExternalTabSettings& settings,
                          gfx::NativeWindow* tab_container_window,
                          gfx::NativeWindow* tab_window,
                          int* tab_handle,