Don't show "Inspect Element" in the context menu if we can't inspect.

chrome/browser/views/toolbar_view.cc

 // Copyright (c) 2009 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/views/toolbar_view.h"
 
 #include <string>
 
 #include "app/drag_drop_types.h"
 #include "app/gfx/canvas.h"
@@ skipping 1028 matching lines @@
   page_menu_contents_->AddItemWithStringId(IDC_REPORT_BUG, IDS_REPORT_BUG);
 
   page_menu_menu_.reset(new views::Menu2(page_menu_contents_.get()));
 }
 
 #if defined(OS_WIN)
 void ToolbarView::CreateDevToolsMenuContents() {
   devtools_menu_contents_.reset(new views::SimpleMenuModel(this));
   devtools_menu_contents_->AddItem(IDC_VIEW_SOURCE,
                                    l10n_util::GetString(IDS_VIEW_SOURCE));
-  devtools_menu_contents_->AddItem(IDC_DEV_TOOLS,
-                                   l10n_util::GetString(IDS_DEV_TOOLS));
+  if (g_browser_process->have_inspector_files()) {
+    devtools_menu_contents_->AddItem(IDC_DEV_TOOLS,
+                                     l10n_util::GetString(IDS_DEV_TOOLS));
+  }
   devtools_menu_contents_->AddItem(IDC_TASK_MANAGER,
                                    l10n_util::GetString(IDS_TASK_MANAGER));
 }
 #endif
 
 void ToolbarView::CreateAppMenu() {
   if (app_menu_contents_.get())
     return;
 
   app_menu_contents_.reset(new views::SimpleMenuModel(this));
@@ skipping 41 matching lines @@
   app_menu_contents_->AddItem(IDC_ABOUT,
                               l10n_util::GetStringFUTF16(
                                   IDS_ABOUT,
                                   l10n_util::GetStringUTF16(IDS_PRODUCT_NAME)));
   app_menu_contents_->AddItemWithStringId(IDC_HELP_PAGE, IDS_HELP_PAGE);
   app_menu_contents_->AddSeparator();
   app_menu_contents_->AddItemWithStringId(IDC_EXIT, IDS_EXIT);
 
   app_menu_menu_.reset(new views::Menu2(app_menu_contents_.get()));
 }