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

chrome/browser/browser_process_impl.cc

 // Copyright (c) 2006-2008 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/browser_process_impl.h"
 
 #include "app/l10n_util.h"
 #include "base/clipboard.h"
 #include "base/command_line.h"
+#include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/thread.h"
 #include "base/waitable_event.h"
 #include "chrome/browser/browser_trial.h"
 #include "chrome/browser/chrome_thread.h"
 #include "chrome/browser/debugger/debugger_wrapper.h"
 #include "chrome/browser/debugger/devtools_manager.h"
 #include "chrome/browser/download/download_file.h"
 #include "chrome/browser/download/save_file_manager.h"
 #include "chrome/browser/google_url_tracker.h"
@@ skipping 103 matching lines @@
       created_profile_manager_(false),
       created_local_state_(false),
       initialized_broker_services_(false),
       broker_services_(NULL),
       created_icon_manager_(false),
       created_debugger_wrapper_(false),
       created_devtools_manager_(false),
       module_ref_count_(0),
       memory_model_(HIGH_MEMORY_MODEL),
       checked_for_new_frames_(false),
-      using_new_frames_(false) {
+      using_new_frames_(false),
+      have_inspector_files_(true) {
   g_browser_process = this;
   clipboard_.reset(new Clipboard);
   main_notification_service_.reset(new NotificationService);
 
   // Must be created after the NotificationService.
   print_job_manager_.reset(new printing::PrintJobManager);
 
   // Configure the browser memory model.
   if (command_line.HasSwitch(switches::kMemoryModel)) {
     std::wstring model = command_line.GetSwitchValue(switches::kMemoryModel);
@@ skipping 271 matching lines @@
   DCHECK(devtools_manager_.get() == NULL);
   created_devtools_manager_ = true;
   devtools_manager_ = new DevToolsManager();
 }
 
 void BrowserProcessImpl::CreateGoogleURLTracker() {
   DCHECK(google_url_tracker_.get() == NULL);
   scoped_ptr<GoogleURLTracker> google_url_tracker(new GoogleURLTracker);
   google_url_tracker_.swap(google_url_tracker);
 }
+
+// The BrowserProcess object must outlive the file thread so we use traits
+// which don't do any management.
+template <>
+struct RunnableMethodTraits<BrowserProcessImpl> {
+  static void RetainCallee(BrowserProcessImpl*) {}
+  static void ReleaseCallee(BrowserProcessImpl*) {}
+};
+
+void BrowserProcessImpl::CheckForInspectorFiles() {
+  file_thread()->message_loop()->PostTask
+      (FROM_HERE,
+       NewRunnableMethod(this, &BrowserProcessImpl::DoInspectorFilesCheck));
+}
+
+void BrowserProcessImpl::DoInspectorFilesCheck() {
+  // Runs on FILE thread.
+  DCHECK(file_thread_->message_loop() == MessageLoop::current());
+  bool result = false;
+
+  FilePath inspector_dir;
+  if (PathService::Get(chrome::DIR_INSPECTOR, &inspector_dir)) {
+    result = file_util::PathExists(inspector_dir);
+  }
+
+  have_inspector_files_ = result;
+}