Implement Google network speech synthesis

chrome/browser/extensions/api/system_private/system_private_api.cc

 // Copyright (c) 2012 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/extensions/api/system_private/system_private_api.h"
 
 #include "base/prefs/pref_service.h"
 #include "base/values.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/event_router_forwarder.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/extensions/api/system_private.h"
 #include "chrome/common/pref_names.h"
+#include "google_apis/google_api_keys.h"
 
 #if defined(OS_CHROMEOS)
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/dbus/update_engine_client.h"
 #else
 #include "chrome/browser/upgrade_detector.h"
 #endif
 
 namespace {
 
@@ skipping 101 matching lines @@
   }
 #endif
   base::DictionaryValue* dict = new base::DictionaryValue();
   dict->SetString(kStateKey, state);
   dict->SetDouble(kDownloadProgressKey, download_progress);
   SetResult(dict);
 
   return true;
 }
 
+bool SystemPrivateGetApiKeyFunction::RunImpl() {
+  SetResult(new base::StringValue(google_apis::GetAPIKey()));
+  return true;
+}
+
 void DispatchVolumeChangedEvent(double volume, bool is_volume_muted) {
   base::DictionaryValue* dict = new base::DictionaryValue();
   dict->SetDouble(kVolumeKey, volume);
   dict->SetBoolean(kIsVolumeMutedKey, is_volume_muted);
   DispatchEvent(system_private::OnVolumeChanged::kEventName, dict);
 }
 
 void DispatchBrightnessChangedEvent(int brightness, bool user_initiated) {
   base::DictionaryValue* dict = new base::DictionaryValue();
   dict->SetInteger(kBrightnessKey, brightness);
   dict->SetBoolean(kUserInitiatedKey, user_initiated);
   DispatchEvent(system_private::OnBrightnessChanged::kEventName, dict);
 }
 
 void DispatchScreenUnlockedEvent() {
   DispatchEvent(system_private::OnScreenUnlocked::kEventName, NULL);
 }
 
 void DispatchWokeUpEvent() {
   DispatchEvent(system_private::OnWokeUp::kEventName, NULL);
 }
 
 }  // namespace extensions