Fix RenderWidgetHostViewAura's accessible parent.

views::WebView returns the accessible object from
RenderWidgetHostViewAura as its own accessibility
object. Hook up the reverse direction so that the
accessible parent of RenderWidgetHostViewAura is
the accessible object from the parent of the WebView.

BUG=175156


Review URL: https://chromiumcodereview.appspot.com/12917018

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@189195 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/content/browser/accessibility/browser_accessibility_manager_win.h b/content/browser/accessibility/browser_accessibility_manager_win.h
index d2860ad..2eefae97 100644
--- a/content/browser/accessibility/browser_accessibility_manager_win.h
+++ b/content/browser/accessibility/browser_accessibility_manager_win.h
@@ -29,11 +29,13 @@
   static AccessibilityNodeData GetEmptyDocument();
 
   // Get the closest containing HWND.
-  HWND parent_hwnd();
+  HWND parent_hwnd() { return parent_hwnd_; }
 
-  // Get a the default IAccessible for the parent window, does not make a
-  // new reference.
-  IAccessible* parent_iaccessible();
+  // The IAccessible for the parent window.
+  IAccessible* parent_iaccessible() { return parent_iaccessible_; }
+  void set_parent_iaccessible(IAccessible* parent_iaccessible) {
+    parent_iaccessible_ = parent_iaccessible;
+  }
 
   // BrowserAccessibilityManager methods
   virtual void NotifyAccessibilityEvent(int type, BrowserAccessibility* node);