Implement automatic load of composed/embedded automation trees

content/browser/accessibility/browser_accessibility_state_impl.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 "content/browser/accessibility/browser_accessibility_state_impl.h"
 
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
 #include "base/timer/timer.h"
 #include "content/browser/accessibility/accessibility_mode_helper.h"
@@ skipping 63 matching lines @@
 }
 
 void BrowserAccessibilityStateImpl::ResetAccessibilityModeValue() {
   accessibility_mode_ = AccessibilityModeOff;
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kForceRendererAccessibility)) {
     accessibility_mode_ = AccessibilityModeComplete;
   }
 }
 
+void BrowserAccessibilityStateImpl::EnableAutomation() {
+  AddAccessibilityMode(AccessibilityModeTreeOnly);
+}
+
+void BrowserAccessibilityStateImpl::DisableAutomation() {
+  RemoveAccessibilityMode(AccessibilityModeTreeOnly);
+}
+
 void BrowserAccessibilityStateImpl::ResetAccessibilityMode() {
   ResetAccessibilityModeValue();
 
   std::vector<WebContentsImpl*> web_contents_vector =
       WebContentsImpl::GetAllWebContents();
   for (size_t i = 0; i < web_contents_vector.size(); ++i)
     web_contents_vector[i]->SetAccessibilityMode(accessibility_mode());
 }
 
 bool BrowserAccessibilityStateImpl::IsAccessibleBrowser() {
@@ skipping 63 matching lines @@
       WebContentsImpl::GetAllWebContents();
   for (size_t i = 0; i < web_contents_vector.size(); ++i) {
     if (add)
       web_contents_vector[i]->AddAccessibilityMode(mode);
     else
       web_contents_vector[i]->RemoveAccessibilityMode(mode);
   }
 }
 
 }  // namespace content