Refactor the keyboard events handling code related to RenderViewHostDelegate:...

chrome/browser/external_tab_container.cc

Index: chrome/browser/external_tab_container.cc
===================================================================
--- chrome/browser/external_tab_container.cc	(revision 34219)
+++ chrome/browser/external_tab_container.cc	(working copy)
@@ -459,12 +459,15 @@
   return true;
 }
 
-bool ExternalTabContainer::HandleKeyboardEvent(
+bool ExternalTabContainer::PreHandleKeyboardEvent(
+    const NativeWebKeyboardEvent& event, bool* is_keyboard_shortcut) {
+  return false;
+}
+
+void ExternalTabContainer::HandleKeyboardEvent(
     const NativeWebKeyboardEvent& event) {
-  return ProcessUnhandledKeyStroke(event.os_event.hwnd,
-                                   event.os_event.message,
-                                   event.os_event.wParam,
-                                   event.os_event.lParam);
+  ProcessUnhandledKeyStroke(event.os_event.hwnd, event.os_event.message,
+                            event.os_event.wParam, event.os_event.lParam);
 }
 
 void ExternalTabContainer::ShowHtmlDialog(HtmlDialogUIDelegate* delegate,
@@ -716,4 +719,3 @@
   DCHECK(request_context_.get() != NULL);
   tab_contents_->set_request_context(request_context_.get());
 }
-