Rebind frontend host when frontend renderer navigates to devtools url.

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 <algorithm>
 
 #include "base/command_line.h"
 #include "base/json/json_writer.h"
 #include "base/lazy_instance.h"
 #include "base/stringprintf.h"
@@ skipping 480 matching lines @@
         extensions::APIPermission::kExperimental);
     extension_info->Set("exposeExperimentalAPIs",
         new base::FundamentalValue(allow_experimental));
     results.Append(extension_info);
   }
   CallClientFunction("WebInspector.addExtensions", &results);
 }
 
 WebContents* DevToolsWindow::OpenURLFromTab(WebContents* source,
                                             const OpenURLParams& params) {
-  if (params.url.SchemeIs(chrome::kChromeDevToolsScheme)) {
-    chrome::NavigateParams nav_params(profile_, params.url, params.transition);
-    FillNavigateParamsFromOpenURLParams(&nav_params, params);
-    nav_params.source_contents = source;
-    nav_params.tabstrip_add_types = TabStripModel::ADD_NONE;
-    nav_params.window_action = chrome::NavigateParams::SHOW_WINDOW;
-    nav_params.user_gesture = true;
-    chrome::Navigate(&nav_params);
-    return nav_params.target_contents;
+  if (!params.url.SchemeIs(chrome::kChromeDevToolsScheme)) {
+    if (inspected_web_contents_)
+      return inspected_web_contents_->OpenURL(params);
+    return NULL;
   }
 
-  if (inspected_web_contents_)
-    return inspected_web_contents_->OpenURL(params);
-  return NULL;
+  DevToolsManager* manager = DevToolsManager::GetInstance();
+  scoped_refptr<DevToolsAgentHost> agent_host(
+      manager->GetDevToolsAgentHostFor(frontend_host_.get()));
+  if (!agent_host)
+    return NULL;
+  manager->ClientHostClosing(frontend_host_.get());
+  manager->RegisterDevToolsClientHostFor(agent_host, frontend_host_.get());
+
+  chrome::NavigateParams nav_params(profile_, params.url, params.transition);
+  FillNavigateParamsFromOpenURLParams(&nav_params, params);
+  nav_params.source_contents = source;
+  nav_params.tabstrip_add_types = TabStripModel::ADD_NONE;
+  nav_params.window_action = chrome::NavigateParams::SHOW_WINDOW;
+  nav_params.user_gesture = true;
+  chrome::Navigate(&nav_params);
+  return nav_params.target_contents;
 }
 
 void DevToolsWindow::CallClientFunction(const std::string& function_name,
                                         const Value* arg1,
                                         const Value* arg2) {
   std::string params;
   if (arg1) {
     std::string json;
     base::JSONWriter::Write(arg1, &json);
     params.append(json);
@@ skipping 475 matching lines @@
 
 // static
 DevToolsDockSide DevToolsWindow::SideFromString(
     const std::string& dock_side) {
   if (dock_side == kDockSideRight)
     return DEVTOOLS_DOCK_SIDE_RIGHT;
   if (dock_side == kDockSideBottom)
     return DEVTOOLS_DOCK_SIDE_BOTTOM;
   return DEVTOOLS_DOCK_SIDE_UNDOCKED;
 }