[DevTools] Use InspectorFrontendHost.readyForTest for layout tests.

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 698 matching lines @@
       toolbox_web_contents_(nullptr),
       bindings_(bindings),
       browser_(nullptr),
       is_docked_(true),
       can_dock_(can_dock),
       // This initialization allows external front-end to work without changes.
       // We don't wait for docking call, but instead immediately show undocked.
       // Passing "dockSide=undocked" parameter ensures proper UI.
       life_stage_(can_dock ? kNotLoaded : kIsDockedSet),
       action_on_load_(DevToolsToggleAction::NoOp()),
-      intercepted_page_beforeunload_(false) {
+      intercepted_page_beforeunload_(false),
+      ready_for_test_(false) {
   // Set up delegate, so we get fully-functional window immediately.
   // It will not appear in UI though until |life_stage_ == kLoadCompleted|.
   main_web_contents_->SetDelegate(this);
   // Bindings take ownership over devtools as its delegate.
   bindings_->SetDelegate(this);
   // DevTools uses PageZoom::Zoom(), so main_web_contents_ requires a
   // ZoomController.
   ui_zoom::ZoomController::CreateForWebContents(main_web_contents_);
   ui_zoom::ZoomController::FromWebContents(main_web_contents_)
       ->SetShowsNotificationBubble(false);
@@ skipping 438 matching lines @@
   if (life_stage_ != kLoadCompleted) {
     // Load is completed when both kIsDockedSet and kOnLoadFired happened.
     // Here we set kOnLoadFired.
     life_stage_ = life_stage_ == kIsDockedSet ? kLoadCompleted : kOnLoadFired;
   }
   if (life_stage_ == kLoadCompleted)
     LoadCompleted();
 }
 
 void DevToolsWindow::ReadyForTest() {
+  ready_for_test_ = true;
   if (!ready_for_test_callback_.is_null()) {
     ready_for_test_callback_.Run();
     ready_for_test_callback_ = base::Closure();
   }
 }
 
 void DevToolsWindow::CreateDevToolsBrowser() {
   PrefService* prefs = profile_->GetPrefs();
   if (!prefs->GetDictionary(prefs::kAppWindowPlacement)->HasKey(kDevToolsApp)) {
     DictionaryPrefUpdate update(prefs, prefs::kAppWindowPlacement);
@@ skipping 109 matching lines @@
 bool DevToolsWindow::ReloadInspectedWebContents(bool ignore_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 ignore_cache_value(ignore_cache);
   bindings_->CallClientFunction("DevToolsAPI.reloadInspectedPage",
                                 &ignore_cache_value, nullptr, nullptr);
   return true;
 }