added CTRL+Click and SHIFT+Click handler for context menu, Back and Forward.

chrome/browser/tab_contents/render_view_context_menu.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <algorithm>
 #include <set>
 
 #include "chrome/browser/tab_contents/render_view_context_menu.h"
 
 #include "base/command_line.h"
@@ skipping 24 matching lines @@
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/search_engines/template_url.h"
 #include "chrome/browser/search_engines/template_url_model.h"
 #include "chrome/browser/spellcheck_host.h"
 #include "chrome/browser/spellchecker_platform_engine.h"
 #include "chrome/browser/translate/translate_manager.h"
 #include "chrome/browser/translate/translate_prefs.h"
 #include "chrome/browser/translate/translate_tab_helper.h"
 #include "chrome/browser/ui/download/download_tab_helper.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
+#include "chrome/browser/ui/tab_contents/tab_contents_wrapper_delegate.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/print_messages.h"
 #include "chrome/common/spellcheck_messages.h"
 #include "chrome/common/url_constants.h"
 #include "content/browser/child_process_security_policy.h"
 #include "content/browser/renderer_host/render_view_host.h"
 #include "content/browser/renderer_host/render_widget_host_view.h"
 #include "content/browser/tab_contents/navigation_entry.h"
 #include "content/browser/tab_contents/tab_contents.h"
 #include "content/browser/user_metrics.h"
 #include "content/common/content_restriction.h"
 #include "grit/generated_resources.h"
 #include "net/base/escape.h"
 #include "net/url_request/url_request.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebContextMenuData.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebMediaPlayerAction.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/gfx/favicon_size.h"
 #include "webkit/glue/webmenuitem.h"
+#include "webkit/glue/window_open_disposition.h"
 
 using WebKit::WebContextMenuData;
 using WebKit::WebMediaPlayerAction;
 using WebKit::WebURL;
 using WebKit::WebString;
 
 namespace {
 
 bool IsCustomItemEnabled(const std::vector<WebMenuItem>& items, int id) {
   DCHECK(id >= IDC_CONTENT_CONTEXT_CUSTOM_FIRST &&
@@ skipping 1424 matching lines @@
       LookUpInDictionary();
       break;
 #endif  // OS_MACOSX
 
     default:
       NOTREACHED();
       break;
   }
 }
 
+void RenderViewContextMenu::ExecuteCommandWithDisposition(
+    int id, int disposition) {
+
+  switch (id) {
+    case IDC_BACK: {
+      TabContentsWrapper* wrapper =
+          TabContentsWrapper::GetCurrentWrapperForContents(
+              source_tab_contents_);
+      wrapper->delegate()->GoBack(
+          static_cast<WindowOpenDisposition>(disposition));
+      return;
+    }
+    case IDC_FORWARD: {
+      TabContentsWrapper* wrapper =
+          TabContentsWrapper::GetCurrentWrapperForContents(
+              source_tab_contents_);
+      wrapper->delegate()->GoForward(
+          static_cast<WindowOpenDisposition>(disposition));
+      return;
+    }
+  }
+
+  // If not processed, call ExecuteCommand instead.
+  ExecuteCommand(id);
+}
+
 void RenderViewContextMenu::MenuWillShow() {
   RenderWidgetHostView* view = source_tab_contents_->GetRenderWidgetHostView();
   if (view)
     view->ShowingContextMenu(true);
 }
 
 void RenderViewContextMenu::MenuClosed() {
   RenderWidgetHostView* view = source_tab_contents_->GetRenderWidgetHostView();
   if (view)
     view->ShowingContextMenu(false);
@@ skipping 68 matching lines @@
       profile_->GetPrefs()->GetString(prefs::kAcceptLanguages),
       g_browser_process->clipboard());
 }
 
 void RenderViewContextMenu::MediaPlayerActionAt(
     const gfx::Point& location,
     const WebMediaPlayerAction& action) {
   source_tab_contents_->render_view_host()->MediaPlayerActionAt(
       location, action);
 }