Revert of [DevTools] Make DevTools clients talk directly to DevToolsAgentHost instead of using DevToolsManage…

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/json/json_reader.h"
 #include "base/metrics/histogram.h"
@@ skipping 16 matching lines @@
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/browser/ui/webui/devtools_ui.h"
 #include "chrome/browser/ui/zoom/zoom_controller.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/common/url_constants.h"
 #include "components/pref_registry/pref_registry_syncable.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/devtools_agent_host.h"
+#include "content/public/browser/devtools_client_host.h"
+#include "content/public/browser/devtools_manager.h"
 #include "content/public/browser/native_web_keyboard_event.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/render_widget_host_view.h"
 #include "content/public/browser/user_metrics.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/content_client.h"
@@ skipping 369 matching lines @@
   return false;
 }
 
 // static
 DevToolsWindow* DevToolsWindow::OpenDevToolsWindowForWorker(
     Profile* profile,
     DevToolsAgentHost* worker_agent) {
   DevToolsWindow* window = FindDevToolsWindow(worker_agent);
   if (!window) {
     window = DevToolsWindow::CreateDevToolsWindowForWorker(profile);
-    window->bindings_->AttachTo(worker_agent);
+    // Will disconnect the current client host if there is one.
+    content::DevToolsManager::GetInstance()->RegisterDevToolsClientHostFor(
+        worker_agent, window->bindings_);
   }
   window->ScheduleShow(DevToolsToggleAction::Show());
   return window;
 }
 
 // static
 DevToolsWindow* DevToolsWindow::CreateDevToolsWindowForWorker(
     Profile* profile) {
   content::RecordAction(base::UserMetricsAction("DevTools_InspectWorker"));
   return Create(profile, GURL(), NULL, true, false, false, "");
@@ skipping 31 matching lines @@
 
 // static
 void DevToolsWindow::OpenExternalFrontend(
     Profile* profile,
     const std::string& frontend_url,
     content::DevToolsAgentHost* agent_host) {
   DevToolsWindow* window = FindDevToolsWindow(agent_host);
   if (!window) {
     window = Create(profile, DevToolsUI::GetProxyURL(frontend_url), NULL,
                     false, true, false, "");
-    window->bindings_->AttachTo(agent_host);
+    content::DevToolsManager::GetInstance()->RegisterDevToolsClientHostFor(
+        agent_host, window->bindings_);
   }
   window->ScheduleShow(DevToolsToggleAction::Show());
 }
 
 // static
 DevToolsWindow* DevToolsWindow::ToggleDevToolsWindow(
     content::WebContents* inspected_web_contents,
     bool force_open,
     const DevToolsToggleAction& action,
     const std::string& settings) {
   scoped_refptr<DevToolsAgentHost> agent(
       DevToolsAgentHost::GetOrCreateFor(inspected_web_contents));
+  content::DevToolsManager* manager = content::DevToolsManager::GetInstance();
   DevToolsWindow* window = FindDevToolsWindow(agent.get());
   bool do_open = force_open;
   if (!window) {
     Profile* profile = Profile::FromBrowserContext(
         inspected_web_contents->GetBrowserContext());
     content::RecordAction(
         base::UserMetricsAction("DevTools_InspectRenderer"));
     window = Create(
         profile, GURL(), inspected_web_contents, false, false, true, settings);
-    window->bindings_->AttachTo(agent.get());
+    manager->RegisterDevToolsClientHostFor(agent.get(), window->bindings_);
     do_open = true;
   }
 
   // Update toolbar to reflect DevTools changes.
   window->UpdateBrowserToolbar();
 
   // If window is docked and visible, we hide it on toggle. If window is
   // undocked, we show (activate) it.
   if (!window->is_docked_ || do_open)
     window->ScheduleShow(action);
@@ skipping 269 matching lines @@
     url_string += "&settings=" + settings;
   return GURL(url_string);
 }
 
 // static
 DevToolsWindow* DevToolsWindow::FindDevToolsWindow(
     DevToolsAgentHost* agent_host) {
   if (!agent_host || g_instances == NULL)
     return NULL;
   DevToolsWindows* instances = g_instances.Pointer();
+  content::DevToolsManager* manager = content::DevToolsManager::GetInstance();
   for (DevToolsWindows::iterator it(instances->begin()); it != instances->end();
        ++it) {
-    if ((*it)->bindings_->IsAttachedTo(agent_host))
+    if (manager->GetDevToolsAgentHostFor((*it)->bindings_) == agent_host)
       return *it;
   }
   return NULL;
 }
 
 // static
 DevToolsWindow* DevToolsWindow::AsDevToolsWindow(
     content::WebContents* web_contents) {
   if (!web_contents || g_instances == NULL)
     return NULL;
   DevToolsWindows* instances = g_instances.Pointer();
   for (DevToolsWindows::iterator it(instances->begin()); it != instances->end();
        ++it) {
     if ((*it)->main_web_contents_ == web_contents)
       return *it;
   }
   return NULL;
 }
 
 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::DevToolsManager* manager = content::DevToolsManager::GetInstance();
+  scoped_refptr<DevToolsAgentHost> agent_host(
+      manager->GetDevToolsAgentHostFor(bindings_));
+  if (!agent_host.get())
+    return NULL;
+  manager->ClientHostClosing(bindings_);
+  manager->RegisterDevToolsClientHostFor(agent_host.get(),
+                                         bindings_);
 
   content::NavigationController::LoadURLParams load_url_params(params.url);
   main_web_contents_->GetController().LoadURLWithParams(load_url_params);
   return main_web_contents_;
 }
 
 void DevToolsWindow::ActivateContents(WebContents* contents) {
   if (is_docked_) {
     WebContents* inspected_tab = GetInspectedWebContents();
     inspected_tab->GetDelegate()->ActivateContents(inspected_tab);
@@ skipping 56 matching lines @@
   DCHECK(is_docked_);
   chrome_page_zoom::Zoom(main_web_contents_,
       zoom_in ? content::PAGE_ZOOM_IN : content::PAGE_ZOOM_OUT);
 }
 
 void DevToolsWindow::BeforeUnloadFired(WebContents* tab,
                                        bool proceed,
                                        bool* proceed_to_fire_unload) {
   if (!intercepted_page_beforeunload_) {
     // Docked devtools window closed directly.
-    if (proceed)
-      bindings_->Detach();
+    if (proceed) {
+      content::DevToolsManager::GetInstance()->ClientHostClosing(
+          bindings_);
+    }
     *proceed_to_fire_unload = proceed;
   } else {
     // Inspected page is attempting to close.
     WebContents* inspected_web_contents = GetInspectedWebContents();
     if (proceed) {
       inspected_web_contents->DispatchBeforeUnload(false);
     } else {
       bool should_proceed;
       inspected_web_contents->GetDelegate()->BeforeUnloadFired(
           inspected_web_contents, false, &should_proceed);
@@ skipping 319 matching lines @@
       closure.Run();
     return;
   }
   load_completed_callback_ = closure;
 }
 
 bool DevToolsWindow::ForwardKeyboardEvent(
     const content::NativeWebKeyboardEvent& event) {
   return event_forwarder_->ForwardEvent(event);
 }