DevTools: allow reattaching main target live.

chrome/browser/devtools/devtools_window.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/devtools/devtools_window.h"
 
 #include <algorithm>
 
 #include "base/command_line.h"
 #include "base/json/json_reader.h"
@@ skipping 927 matching lines @@
 
 WebContents* DevToolsWindow::OpenURLFromTab(
     WebContents* source,
     const content::OpenURLParams& params) {
   DCHECK(source == main_web_contents_);
   if (!params.url.SchemeIs(content::kChromeDevToolsScheme)) {
     WebContents* inspected_web_contents = GetInspectedWebContents();
     return inspected_web_contents ?
         inspected_web_contents->OpenURL(params) : NULL;
   }
-
-  bindings_->Reattach();
-
-  content::NavigationController::LoadURLParams load_url_params(params.url);
-  main_web_contents_->GetController().LoadURLWithParams(load_url_params);
+  bindings_->Reload();
   return main_web_contents_;
 }
 
 void DevToolsWindow::ShowCertificateViewer(
     scoped_refptr<net::X509Certificate> certificate) {
   WebContents* inspected_contents = is_docked_ ?
       GetInspectedWebContents() : main_web_contents_;
   Browser* browser = NULL;
   int tab = 0;
   if (!FindInspectedBrowserAndTabIndex(inspected_contents, &browser, &tab))
@@ skipping 413 matching lines @@
 bool DevToolsWindow::ReloadInspectedWebContents(bool bypass_cache) {
   // Only route reload via front-end if the agent is attached.
   WebContents* wc = GetInspectedWebContents();
   if (!wc || wc->GetCrashedStatus() != base::TERMINATION_STATUS_STILL_RUNNING)
     return false;
   base::FundamentalValue bypass_cache_value(bypass_cache);
   bindings_->CallClientFunction("DevToolsAPI.reloadInspectedPage",
                                 &bypass_cache_value, nullptr, nullptr);
   return true;
 }