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

chrome/browser/ui/browser.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/ui/browser.h"
 
 #if defined(OS_WIN)
 #include <shellapi.h>
 #include <windows.h>
 #endif  // OS_WIN
@@ skipping 1189 matching lines @@
 
 bool Browser::ShouldOpenNewTabForWindowDisposition(
     WindowOpenDisposition disposition) {
   return (disposition == NEW_FOREGROUND_TAB ||
           disposition == NEW_BACKGROUND_TAB);
 }
 
 TabContents* Browser::GetOrCloneTabForDisposition(
        WindowOpenDisposition disposition) {
   TabContentsWrapper* current_tab = GetSelectedTabContentsWrapper();
+
   if (ShouldOpenNewTabForWindowDisposition(disposition)) {
     current_tab = current_tab->Clone();
     tab_handler_->GetTabStripModel()->AddTabContents(
         current_tab, -1, PageTransition::LINK,
         disposition == NEW_FOREGROUND_TAB ? TabStripModel::ADD_ACTIVE :
                                             TabStripModel::ADD_NONE);
   }
+
   return current_tab->tab_contents();
 }
 
 void Browser::UpdateTabStripModelInsertionPolicy() {
   tab_handler_->GetTabStripModel()->SetInsertionPolicy(UseVerticalTabs() ?
       TabStripModel::INSERT_BEFORE : TabStripModel::INSERT_AFTER);
 }
 
 void Browser::UseVerticalTabsChanged() {
   UpdateTabStripModelInsertionPolicy();
@@ skipping 44 matching lines @@
   bool can_close = !watcher || watcher->CanCloseBrowser(this);
   if (!can_close && is_attempting_to_close_browser_)
     CancelWindowClose();
   return can_close;
 }
 
 void Browser::GoBack(WindowOpenDisposition disposition) {
   UserMetrics::RecordAction(UserMetricsAction("Back"), profile_);
 
   TabContentsWrapper* current_tab = GetSelectedTabContentsWrapper();
-  if (current_tab->controller().CanGoBack()) {
-    TabContents* new_tab = GetOrCloneTabForDisposition(disposition);
+  if (!current_tab->controller().CanGoBack())
+    return;
+
+  if (disposition == NEW_WINDOW) {
+    TabContentsWrapper* new_wrapper = current_tab->Clone();
+
     // If we are on an interstitial page and clone the tab, it won't be copied
     // to the new tab, so we don't need to go back.
     if (current_tab->tab_contents()->showing_interstitial_page() &&
+        (new_wrapper->tab_contents() != current_tab->tab_contents()))
+      return;
+
+    new_wrapper->tab_contents()->controller().GoBack();
+
+    // Make a new normal browser window.
+    Browser* browser = new Browser(Browser::TYPE_NORMAL, profile_);
+    browser->InitBrowserWindow();
+    browser->AddTab(new_wrapper, PageTransition::LINK);
+    browser->window()->Show();
+  } else {
+    TabContents* new_tab = GetOrCloneTabForDisposition(disposition);
+
+    if (current_tab->tab_contents()->showing_interstitial_page() &&
         (new_tab != current_tab->tab_contents()))
       return;
+
     new_tab->controller().GoBack();
   }
 }
 
 void Browser::GoForward(WindowOpenDisposition disposition) {
   UserMetrics::RecordAction(UserMetricsAction("Forward"), profile_);
-  if (GetSelectedTabContentsWrapper()->controller().CanGoForward())
+
+  TabContentsWrapper* current_tab = GetSelectedTabContentsWrapper();
+  if (!current_tab->controller().CanGoForward())
+    return;
+
+  if (disposition == NEW_WINDOW) {
+    TabContentsWrapper* new_wrapper = current_tab->Clone();
+
+    new_wrapper->tab_contents()->controller().GoForward();
+
+    // Make a new normal browser window.
+    Browser* browser = new Browser(Browser::TYPE_NORMAL, profile_);
+    browser->InitBrowserWindow();
+    browser->AddTab(new_wrapper, PageTransition::LINK);
+    browser->window()->Show();
+  } else {
     GetOrCloneTabForDisposition(disposition)->controller().GoForward();
+  }
 }
 
 void Browser::Reload(WindowOpenDisposition disposition) {
   UserMetrics::RecordAction(UserMetricsAction("Reload"), profile_);
   ReloadInternal(disposition, false);
 }
 
 void Browser::ReloadIgnoringCache(WindowOpenDisposition disposition) {
   UserMetrics::RecordAction(UserMetricsAction("ReloadIgnoringCache"), profile_);
   ReloadInternal(disposition, true);
@@ skipping 3171 matching lines @@
   TabContents* current_tab = GetSelectedTabContents();
   if (current_tab) {
     content_restrictions = current_tab->content_restrictions();
     NavigationEntry* active_entry = current_tab->controller().GetActiveEntry();
     // See comment in UpdateCommandsForTabState about why we call url().
     if (!SavePackage::IsSavableURL(active_entry ? active_entry->url() : GURL()))
       content_restrictions |= CONTENT_RESTRICTION_SAVE;
   }
   return content_restrictions;
 }