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"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/stl_util-inl.h"
 #include "base/string_util.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/autocomplete/autocomplete_classifier.h"
 #include "chrome/browser/autocomplete/autocomplete_edit.h"
 #include "chrome/browser/autocomplete/autocomplete_match.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/debugger/devtools_manager.h"
 #include "chrome/browser/debugger/devtools_window.h"
 #include "chrome/browser/download/download_manager.h"
 #include "chrome/browser/download/download_util.h"
 #include "chrome/browser/download/save_package.h"
+#include "chrome/browser/event_disposition.h"
 #include "chrome/browser/extensions/extension_event_router.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/net/browser_url_util.h"
 #include "chrome/browser/page_info_window.h"
 #include "chrome/browser/platform_util.h"
 #include "chrome/browser/prefs/pref_member.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_io_data.h"
 #include "chrome/browser/search_engines/template_url.h"
@@ skipping 20 matching lines @@
 #include "content/browser/user_metrics.h"
 #include "content/common/content_restriction.h"
 #include "content/common/view_messages.h"
 #include "grit/generated_resources.h"
 #include "net/base/escape.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 1116 matching lines @@
   // language.
   if ((id < IDC_SPELLCHECK_LANGUAGES_FIRST) ||
       (id >= IDC_SPELLCHECK_LANGUAGES_LAST))
     return false;
 
   std::vector<std::string> languages;
   return SpellCheckHost::GetSpellCheckLanguages(profile_, &languages) ==
       (id - IDC_SPELLCHECK_LANGUAGES_FIRST);
 }
 
+void RenderViewContextMenu::ExecuteCommandWithFlags(int id, int flags) {
+  switch (id) {
+    case IDC_BACK:
+      GoBack(flags);
+      return;
+    case IDC_FORWARD:
+      GoForward(flags);
+      return;
+  }
+
+  // If not processed, call ExecuteCommand instead.
+  ExecuteCommand(id);
+}
+
 void RenderViewContextMenu::ExecuteCommand(int id) {
   // Check to see if one of the spell check language ids have been clicked.
   if (id >= IDC_SPELLCHECK_LANGUAGES_FIRST &&
       id < IDC_SPELLCHECK_LANGUAGES_LAST) {
     const size_t language_number = id - IDC_SPELLCHECK_LANGUAGES_FIRST;
     std::vector<std::string> languages;
     SpellCheckHost::GetSpellCheckLanguages(profile_, &languages);
     if (language_number < languages.size()) {
       StringPrefMember dictionary_language;
       dictionary_language.Init(prefs::kSpellCheckDictionary,
@@ skipping 401 matching lines @@
 
 // Controller functions --------------------------------------------------------
 
 void RenderViewContextMenu::OpenURL(
     const GURL& url, const GURL& referrer,
     WindowOpenDisposition disposition,
     PageTransition::Type transition) {
   source_tab_contents_->OpenURL(url, referrer, disposition, transition);
 }
 
+void RenderViewContextMenu::GoBack(int event_flags) {
+  WindowOpenDisposition disposition =
+      browser::DispositionFromEventFlags(event_flags);
+  if (source_tab_contents_->delegate())
+    source_tab_contents_->delegate()->GoBack(disposition);
+}
+
+void RenderViewContextMenu::GoForward(int event_flags) {
+  WindowOpenDisposition disposition =
+      browser::DispositionFromEventFlags(event_flags);
+  if (source_tab_contents_->delegate())
+    source_tab_contents_->delegate()->GoForward(disposition);
+}
+
 void RenderViewContextMenu::CopyImageAt(int x, int y) {
   RenderViewHost* rvh = source_tab_contents_->render_view_host();
   rvh->Send(new ViewMsg_CopyImageAt(rvh->routing_id(), x, y));
 }
 
 void RenderViewContextMenu::Inspect(int x, int y) {
   UserMetrics::RecordAction(UserMetricsAction("DevTools_InspectElement"));
   DevToolsManager::GetInstance()->InspectElement(
       source_tab_contents_->render_view_host(), x, y);
 }
 
 void RenderViewContextMenu::WriteURLToClipboard(const GURL& url) {
   chrome_browser_net::WriteURLToClipboard(
       url,
       profile_->GetPrefs()->GetString(prefs::kAcceptLanguages),
       g_browser_process->clipboard());
 }
 
 void RenderViewContextMenu::MediaPlayerActionAt(
     const gfx::Point& location,
     const WebMediaPlayerAction& action) {
   RenderViewHost* rvh = source_tab_contents_->render_view_host();
   rvh->Send(new ViewMsg_MediaPlayerActionAt(
       rvh->routing_id(), location, action));
 }