Use both APIs (WebAXObject and WebSettings) for enabling accessibility

content/shell/renderer/test_runner/accessibility_controller.cc

 // Copyright 2014 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/shell/renderer/test_runner/accessibility_controller.h"
 
 #include "gin/handle.h"
 #include "gin/object_template_builder.h"
 #include "gin/wrappable.h"
 #include "third_party/WebKit/public/web/WebElement.h"
 #include "third_party/WebKit/public/web/WebFrame.h"
 #include "third_party/WebKit/public/web/WebKit.h"
+#include "third_party/WebKit/public/web/WebSettings.h"
 #include "third_party/WebKit/public/web/WebView.h"
 
 namespace content {
 
 class AccessibilityControllerBindings
     : public gin::Wrappable<AccessibilityControllerBindings> {
  public:
   static gin::WrapperInfo kWrapperInfo;
 
   static void Install(base::WeakPtr<AccessibilityController> controller,
@@ skipping 117 matching lines @@
 void AccessibilityController::Reset() {
   root_element_ = blink::WebAXObject();
   focused_element_ = blink::WebAXObject();
   elements_.Clear();
   notification_callback_.Reset();
   log_accessibility_events_ = false;
 }
 
 void AccessibilityController::Install(blink::WebFrame* frame) {
   blink::WebAXObject::enableAccessibility();
+  frame->view()->settings()->setAccessibilityEnabled(true);
+
   blink::WebAXObject::enableInlineTextBoxAccessibility();
+  frame->view()->settings()->setInlineTextBoxAccessibilityEnabled(true);
+
   AccessibilityControllerBindings::Install(weak_factory_.GetWeakPtr(), frame);
 }
 
 void AccessibilityController::SetFocusedElement(
     const blink::WebAXObject& focused_element) {
   focused_element_ = focused_element;
 }
 
 bool AccessibilityController::ShouldLogAccessibilityEvents() {
   return log_accessibility_events_;
@@ skipping 106 matching lines @@
     v8::Handle<v8::Object> result =
         FindAccessibleElementByIdRecursive(obj.childAt(i), id);
     if (*result)
       return result;
   }
 
   return v8::Handle<v8::Object>();
 }
 
 }  // namespace content