Revert of Migrate accessibility from RenderView to RenderFrame.

content/public/browser/render_widget_host.h

 // 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.
 
 #ifndef CONTENT_PUBLIC_BROWSER_RENDER_WIDGET_HOST_H_
 #define CONTENT_PUBLIC_BROWSER_RENDER_WIDGET_HOST_H_
 
 #include "base/callback.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/native_web_keyboard_event.h"
@@ skipping 171 matching lines @@
       const gfx::Size& accelerated_dst_size,
       const base::Callback<void(bool, const SkBitmap&)>& callback,
       const SkColorType color_type) = 0;
   // Ensures that the view does not drop the backing store even when hidden.
   virtual bool CanCopyFromBackingStore() = 0;
 #if defined(OS_ANDROID)
   virtual void LockBackingStore() = 0;
   virtual void UnlockBackingStore() = 0;
 #endif
 
+  // Send a command to the renderer to turn on full accessibility.
+  virtual void EnableFullAccessibilityMode() = 0;
+
+  // Check whether this RenderWidget has full accessibility mode.
+  virtual bool IsFullAccessibilityModeForTesting() = 0;
+
+  // Send a command to the renderer to turn on tree only accessibility.
+  virtual void EnableTreeOnlyAccessibilityMode() = 0;
+
+  // Check whether this RenderWidget has tree-only accessibility mode.
+  virtual bool IsTreeOnlyAccessibilityModeForTesting() = 0;
+
+  // Relay a request from assistive technology to perform the default action
+  // on a given node.
+  virtual void AccessibilityDoDefaultAction(int object_id) = 0;
+
+  // Relay a request from assistive technology to set focus to a given node.
+  virtual void AccessibilitySetFocus(int object_id) = 0;
+
+  // Relay a request from assistive technology to make a given object
+  // visible by scrolling as many scrollable containers as necessary.
+  // In addition, if it's not possible to make the entire object visible,
+  // scroll so that the |subfocus| rect is visible at least. The subfocus
+  // rect is in local coordinates of the object itself.
+  virtual void AccessibilityScrollToMakeVisible(
+      int acc_obj_id, gfx::Rect subfocus) = 0;
+
+  // Relay a request from assistive technology to move a given object
+  // to a specific location, in the WebContents area coordinate space, i.e.
+  // (0, 0) is the top-left corner of the WebContents.
+  virtual void AccessibilityScrollToPoint(int acc_obj_id, gfx::Point point) = 0;
+
+  // Relay a request from assistive technology to set text selection.
+  virtual void AccessibilitySetTextSelection(
+      int acc_obj_id, int start_offset, int end_offset) = 0;
+
   // Forwards the given message to the renderer. These are called by
   // the view when it has received a message.
   virtual void ForwardMouseEvent(
       const blink::WebMouseEvent& mouse_event) = 0;
   virtual void ForwardWheelEvent(
       const blink::WebMouseWheelEvent& wheel_event) = 0;
   virtual void ForwardKeyboardEvent(
       const NativeWebKeyboardEvent& key_event) = 0;
 
   virtual const gfx::Vector2d& GetLastScrollOffset() const = 0;
@@ skipping 61 matching lines @@
   // within content/.  This method is necessary because
   // RenderWidgetHost is the root of a diamond inheritance pattern, so
   // subclasses inherit it virtually, which removes our ability to
   // static_cast to the subclass.
   virtual RenderWidgetHostImpl* AsRenderWidgetHostImpl() = 0;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_RENDER_WIDGET_HOST_H_