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

chrome/browser/instant/instant_loader.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 "chrome/browser/instant/instant_loader.h"
 
 #include <algorithm>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 216 matching lines @@
                                TabContentsWrapper* new_tc) OVERRIDE;
 
   // TabContentsObserver:
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
   // DownloadTabHelperDelegate:
   virtual bool CanDownload(int request_id) OVERRIDE;
   virtual void OnStartDownload(DownloadItem* download,
                                TabContentsWrapper* tab) OVERRIDE;
 
+  // Navigation interface to supoprt disposition.
+  virtual void GoBack(WindowOpenDisposition disposition) OVERRIDE;
+  virtual void GoForward(WindowOpenDisposition disposition) OVERRIDE;
+  virtual bool NavigateToIndexWithDisposition(
+      int index, WindowOpenDisposition disp) OVERRIDE;
+
  private:
   typedef std::vector<scoped_refptr<history::HistoryAddPageArgs> >
       AddPageVector;
 
   // Message from renderer indicating the page has suggestions.
   void OnSetSuggestions(
       int32 page_id,
       const std::vector<std::string>& suggestions,
       InstantCompleteBehavior behavior);
 
@@ skipping 337 matching lines @@
 bool InstantLoader::TabContentsDelegateImpl::CanDownload(int request_id) {
   // Downloads are disabled.
   return false;
 }
 
 void InstantLoader::TabContentsDelegateImpl::OnStartDownload(
     DownloadItem* download, TabContentsWrapper* tab) {
   // Downloads are disabled.
 }
 
+void InstantLoader::TabContentsDelegateImpl::GoBack(
+    WindowOpenDisposition disposition) {
+  // Navigations are disabled.
+}
+
+void InstantLoader::TabContentsDelegateImpl::GoForward(
+    WindowOpenDisposition disposition) {
+  // Navigations are disabled.
+}
+
+bool InstantLoader::TabContentsDelegateImpl::NavigateToIndexWithDisposition(
+    int index, WindowOpenDisposition disp) {
+  // Navigations are disabled.
+  return false;
+}
+
+
 void InstantLoader::TabContentsDelegateImpl::OnSetSuggestions(
     int32 page_id,
     const std::vector<std::string>& suggestions,
     InstantCompleteBehavior behavior) {
   TabContentsWrapper* source = loader_->preview_contents();
   if (!source->controller().GetActiveEntry() ||
       page_id != source->controller().GetActiveEntry()->page_id())
     return;
 
   if (suggestions.empty())
@@ skipping 482 matching lines @@
 void InstantLoader::CreatePreviewContents(TabContentsWrapper* tab_contents) {
   TabContents* new_contents =
       new TabContents(
           tab_contents->profile(), NULL, MSG_ROUTING_NONE, NULL, NULL);
   preview_contents_.reset(new TabContentsWrapper(new_contents));
   preview_tab_contents_delegate_.reset(new TabContentsDelegateImpl(this));
   SetupPreviewContents(tab_contents);
 
   preview_contents_->tab_contents()->ShowContents();
 }