Cleanup: Better constify some strings in chrome/browser/{chromeos,extensions}.

chrome/browser/extensions/hotword_browsertest.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/files/file_path.h"
 #include "base/path_service.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/extensions/component_loader.h"
 #include "chrome/browser/extensions/error_console/error_console.h"
 #include "chrome/browser/extensions/extension_browsertest.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "content/public/common/content_switches.h"
 #include "extensions/common/extension.h"
 #include "extensions/test/extension_test_message_listener.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 
 namespace extensions {
 
-static const char* kHotwordHelperExtensionId =
+static const char kHotwordHelperExtensionId[] =
     "dnhpdliibojhegemfjheidglijccjfmc";
 
 class HotwordBrowserTest : public ExtensionBrowserTest {
  public:
   HotwordBrowserTest() : error_console_(NULL) { }
   ~HotwordBrowserTest() override {}
 
  protected:
   void SetUpInProcessBrowserTestFixture() override {
     ExtensionBrowserTest::SetUpInProcessBrowserTestFixture();
@@ skipping 44 matching lines @@
   ASSERT_TRUE(extension);
   const Extension* test_extension = LoadExtension(
       test_data_dir_.AppendASCII("hotword"));
   ASSERT_TRUE(test_extension);
 
   ASSERT_TRUE(doneListener.WaitUntilSatisfied());
   ASSERT_TRUE(error_console()->GetErrorsForExtension(extension->id()).empty());
 }
 
 }  // namespace extensions