Add WiFi SSID getter to NetworkChangeNotifier.

chrome/browser/speech/extension_api/tts_extension_apitest.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 <string>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "chrome/browser/extensions/component_loader.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/speech/extension_api/tts_extension_api.h"
@@ skipping 155 matching lines @@
  public:
   explicit FakeNetworkOnlineStateForTest(bool online) : online_(online) {}
   ~FakeNetworkOnlineStateForTest() override {}
 
   ConnectionType GetCurrentConnectionType() const override {
     return online_ ?
         net::NetworkChangeNotifier::CONNECTION_ETHERNET :
         net::NetworkChangeNotifier::CONNECTION_NONE;
   }
 
+  std::string GetCurrentWiFiSSID() const override { return ""; }
+
  private:
   bool online_;
   DISALLOW_COPY_AND_ASSIGN(FakeNetworkOnlineStateForTest);
 };
 
 class TtsApiTest : public ExtensionApiTest {
  public:
   virtual void SetUpInProcessBrowserTestFixture() {
     ExtensionApiTest::SetUpInProcessBrowserTestFixture();
     TtsController::GetInstance()->SetPlatformImpl(&mock_platform_impl_);
@@ skipping 249 matching lines @@
   // Test should fail when offline.
   ASSERT_FALSE(RunExtensionTest("tts_engine/network_speech_engine"));
 }
 
 // http://crbug.com/122474
 IN_PROC_BROWSER_TEST_F(TtsApiTest, EngineApi) {
   ASSERT_TRUE(RunExtensionTest("tts_engine/engine_api")) << message_;
 }
 
 }  // namespace extensions