Cleanup: Better constify some strings in chrome.

chrome/renderer/chrome_content_renderer_client.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 "chrome/renderer/chrome_content_renderer_client.h"
 
 #include "base/command_line.h"
 #include "base/debug/crash_logging.h"
 #include "base/logging.h"
 #include "base/metrics/field_trial.h"
@@ skipping 922 matching lines @@
   return placeholder->plugin();
 }
 
 // For NaCl content handling plugins, the NaCl manifest is stored in an
 // additonal 'nacl' param associated with the MIME type.
 //  static
 GURL ChromeContentRendererClient::GetNaClContentHandlerURL(
     const std::string& actual_mime_type,
     const content::WebPluginInfo& plugin) {
   // Look for the manifest URL among the MIME type's additonal parameters.
-  const char* kNaClPluginManifestAttribute = "nacl";
+  const char kNaClPluginManifestAttribute[] = "nacl";
   base::string16 nacl_attr = ASCIIToUTF16(kNaClPluginManifestAttribute);
   for (size_t i = 0; i < plugin.mime_types.size(); ++i) {
     if (plugin.mime_types[i].mime_type == actual_mime_type) {
       const content::WebPluginMimeType& content_type = plugin.mime_types[i];
       for (size_t i = 0; i < content_type.additional_param_names.size(); ++i) {
         if (content_type.additional_param_names[i] == nacl_attr)
           return GURL(content_type.additional_param_values[i]);
       }
       break;
     }
@@ skipping 617 matching lines @@
 content::BrowserPluginDelegate*
 ChromeContentRendererClient::CreateBrowserPluginDelegate(
     content::RenderFrame* render_frame,
     const std::string& mime_type) {
 #if defined(ENABLE_EXTENSIONS)
   return new extensions::GuestViewContainer(render_frame, mime_type);
 #else
   return NULL;
 #endif
 }