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

chrome/browser/extensions/activity_log/activity_log_unittest.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 "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/synchronization/waitable_event.h"
 #include "chrome/browser/extensions/activity_log/activity_action_constants.h"
@@ skipping 19 matching lines @@
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/chromeos/login/users/scoped_test_user_manager.h"
 #include "chrome/browser/chromeos/settings/cros_settings.h"
 #include "chrome/browser/chromeos/settings/device_settings_service.h"
 #endif
 
 namespace {
 
 const char kExtensionId[] = "abc";
 
-const char* kUrlApiCalls[] = {
+const char* const kUrlApiCalls[] = {
     "HTMLButtonElement.formAction", "HTMLEmbedElement.src",
     "HTMLFormElement.action",       "HTMLFrameElement.src",
     "HTMLHtmlElement.manifest",     "HTMLIFrameElement.src",
     "HTMLImageElement.longDesc",    "HTMLImageElement.src",
     "HTMLImageElement.lowsrc",      "HTMLInputElement.formAction",
     "HTMLInputElement.src",         "HTMLLinkElement.href",
     "HTMLMediaElement.src",         "HTMLMediaElement.currentSrc",
     "HTMLModElement.cite",          "HTMLObjectElement.data",
     "HTMLQuoteElement.cite",        "HTMLScriptElement.src",
     "HTMLSourceElement.src",        "HTMLTrackElement.src",
@@ skipping 353 matching lines @@
       kExtensionId,
       Action::ACTION_ANY,
       "",
       "",
       "",
       -1,
       base::Bind(ActivityLogTest::RetrieveActions_ArgUrlApiCalls));
 }
 
 }  // namespace extensions