Update hotword private tests to not need auto whitelisting.

chrome/browser/extensions/api/hotword_private/hotword_private_apitest.cc

 // Copyright 2014 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 "base/command_line.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/extensions/api/hotword_private/hotword_private_api.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_test_message_listener.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/search/hotword_client.h"
 #include "chrome/browser/search/hotword_service.h"
 #include "chrome/browser/search/hotword_service_factory.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
+#include "extensions/common/switches.h"
 
 namespace {
 
+const char kHotwordTestExtensionId[] = "cpfhkdbjfdgdebcjlifoldbijinjfifp";
+
 class MockHotwordService : public HotwordService {
  public:
   explicit MockHotwordService(Profile* profile)
       : HotwordService(profile), service_available_(true) {};
   virtual ~MockHotwordService() {}
 
   virtual bool IsServiceAvailable() OVERRIDE {
     return service_available_;
   }
 
@@ skipping 40 matching lines @@
   int recognized_count_;
 
   DISALLOW_COPY_AND_ASSIGN(MockHotwordClient);
 };
 
 class HotwordPrivateApiTest : public ExtensionApiTest {
  public:
   HotwordPrivateApiTest() {}
   virtual ~HotwordPrivateApiTest() {}
 
+  virtual void SetUpCommandLine(base::CommandLine* command_line) OVERRIDE {
+    ExtensionApiTest::SetUpCommandLine(command_line);
+
+    // Whitelist the test extensions (which all share a common ID) to use
+    // private APIs.
+    command_line->AppendSwitchASCII(
+        extensions::switches::kWhitelistedExtensionID, kHotwordTestExtensionId);
+  }
+
   virtual void SetUpOnMainThread() OVERRIDE {
     ExtensionApiTest::SetUpOnMainThread();
 
     test_data_dir_ = test_data_dir_.AppendASCII("hotword_private");
 
     service_ = static_cast<MockHotwordService*>(
         HotwordServiceFactory::GetInstance()->SetTestingFactoryAndUse(
             profile(), MockHotwordService::Build));
   }
 
@@ skipping 108 matching lines @@
   MockHotwordClient client;
   service()->RequestHotwordSession(&client);
   EXPECT_TRUE(listenerStopReady.WaitUntilSatisfied());
   service()->StopHotwordSession(&client);
   EXPECT_TRUE(listenerStopped.WaitUntilSatisfied());
 
   EXPECT_TRUE(client.last_enabled());
   EXPECT_EQ(1, client.state_changed_count());
   EXPECT_EQ(1, client.recognized_count());
 }