Code Refactor and making function static in frame_navigation_state.

chrome/browser/extensions/api/web_navigation/frame_navigation_state.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/browser/extensions/api/web_navigation/frame_navigation_state.h"
 
 #include "base/logging.h"
 #include "chrome/common/url_constants.h"
 #include "content/public/browser/render_frame_host.h"
 #include "extensions/common/constants.h"
@@ skipping 29 matching lines @@
 bool FrameNavigationState::CanSendEvents(
     content::RenderFrameHost* frame_host) const {
   FrameHostToStateMap::const_iterator it =
       frame_host_state_map_.find(frame_host);
   if (it == frame_host_state_map_.end() || it->second.error_occurred) {
     return false;
   }
   return IsValidUrl(it->second.url);
 }
 
-bool FrameNavigationState::IsValidUrl(const GURL& url) const {
+// static
+bool FrameNavigationState::IsValidUrl(const GURL& url) {
   for (unsigned i = 0; i < arraysize(kValidSchemes); ++i) {
     if (url.scheme() == kValidSchemes[i])
       return true;
   }
   // Allow about:blank and about:srcdoc.
   if (url.spec() == url::kAboutBlankURL ||
       url.spec() == content::kAboutSrcDocURL) {
     return true;
   }
   return allow_extension_scheme_ && url.scheme() == kExtensionScheme;
@@ skipping 137 matching lines @@
 
 bool FrameNavigationState::GetIsServerRedirected(
     content::RenderFrameHost* frame_host) const {
   FrameHostToStateMap::const_iterator it =
       frame_host_state_map_.find(frame_host);
   DCHECK(it != frame_host_state_map_.end());
   return it != frame_host_state_map_.end() && it->second.is_server_redirected;
 }
 
 }  // namespace extensions