Code:      DidStartNavigationToPendingEntry(const GURL& url,
                                      content::ReloadType reload_type) {
  devtools_bindings_->frontend_host_.reset(
      content::DevToolsFrontendHost::Create(
          web_contents()->GetMainFrame(),
          base::Bind(&DevToolsUIBindings::HandleMessageFromDevToolsFrontend,
                     base::Unretained(devtools_bindings_))));
 }

Commit Message: DevTools: move front-end URL handling to DevToolsUIBindingds

BUG=662859

Review-Url: https://codereview.chromium.org/2607833002
Cr-Commit-Position: refs/heads/master@{#440926}
CWE ID: CWE-200
     DidStartNavigationToPendingEntry(const GURL& url,
                                      content::ReloadType reload_type) {
  devtools_bindings_->UpdateFrontendHost();
 }
