Clean up Automation and Chrome Frame IPC code.

chrome_frame/chrome_frame_plugin.h

Index: chrome_frame/chrome_frame_plugin.h
===================================================================
--- chrome_frame/chrome_frame_plugin.h	(revision 69966)
+++ chrome_frame/chrome_frame_plugin.h	(working copy)
@@ -114,14 +114,13 @@
   }
 
  protected:
-  virtual void OnNavigationFailed(int tab_handle, int error_code,
-                                  const GURL& gurl) {
+  virtual void OnNavigationFailed(int error_code, const GURL& gurl) {
     OnLoadFailed(error_code, gurl.spec());
   }
 
-  virtual void OnHandleContextMenu(int tab_handle, HANDLE menu_handle,
+  virtual void OnHandleContextMenu(HANDLE menu_handle,
                                    int align_flags,
-                                   const IPC::MiniContextMenuParams& params) {
+                                   const MiniContextMenuParams& params) {
     if (!menu_handle || !automation_client_.get()) {
       NOTREACHED();
       return;
@@ -220,7 +219,7 @@
   // Return true if menu command is processed, otherwise the command will be
   // passed to Chrome for execution. Override in most-derived class if needed.
   bool HandleContextMenuCommand(UINT cmd,
-                                const IPC::MiniContextMenuParams& params) {
+                                const MiniContextMenuParams& params) {
     return false;
   }