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

chrome/browser/extensions/extension_keybinding_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 "base/command_line.h"
 #include "chrome/browser/extensions/active_tab_permission_granter.h"
 #include "chrome/browser/extensions/api/commands/command_service.h"
 #include "chrome/browser/extensions/browser_action_test_util.h"
 #include "chrome/browser/extensions/extension_action.h"
 #include "chrome/browser/extensions/extension_action_manager.h"
@@ skipping 359 matching lines @@
       "1");
 
   ASSERT_TRUE(RunExtensionTest("keybinding/basics"))
       << message_;
 
   CommandService* command_service = CommandService::Get(browser()->profile());
 
   const Extension* extension = GetSingleLoadedExtension();
   // Simulate the user setting the keybinding to Ctrl+D.
 #if defined(OS_MACOSX)
-  const char* hotkey = "Command+D";
+  const char hotkey[] = "Command+D";
 #else
-  const char* hotkey = "Ctrl+D";
+  const char hotkey[] = "Ctrl+D";
 #endif  // defined(OS_MACOSX)
   command_service->UpdateKeybindingPrefs(
       extension->id(), manifest_values::kBrowserActionCommandEvent, hotkey);
 
   ui_test_utils::NavigateToURL(browser(),
       test_server()->GetURL(
           "files/extensions/test_file_with_ctrl-d_keybinding.html"));
 
   WebContents* tab = browser()->tab_strip_model()->GetActiveWebContents();
   ASSERT_TRUE(tab);
@@ skipping 437 matching lines @@
 #define MAYBE_ChromeOSConversions DISABLED_ChromeOSConversions
 #else
 #define MAYBE_ChromeOSConversions ChromeOSConversions
 #endif
 IN_PROC_BROWSER_TEST_F(CommandsApiTest, MAYBE_ChromeOSConversions) {
   RunChromeOSConversionTest("keybinding/chromeos_conversions");
 }
 #endif  // OS_CHROMEOS
 
 }  // namespace extensions