Re-land: Create AXAction and AXActionData as a way to simplify accessibility actions

content/browser/accessibility/browser_accessibility_cocoa.mm

 // 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 <execinfo.h>
 #include <stddef.h>
 #include <stdint.h>
 
 #import "content/browser/accessibility/browser_accessibility_cocoa.h"
 
@@ skipping 2778 matching lines @@
   return [self isIgnored];
 }
 
 // Performs the given accessibility action on the webkit accessibility object
 // that backs this object.
 - (void)accessibilityPerformAction:(NSString*)action {
   if (![self instanceActive])
     return;
 
   // TODO(dmazzoni): Support more actions.
+  BrowserAccessibilityManager* manager = browserAccessibility_->manager();
   if ([action isEqualToString:NSAccessibilityPressAction]) {
-    [self delegate]->AccessibilityDoDefaultAction(
-        browserAccessibility_->GetId());
+    manager->DoDefaultAction(*browserAccessibility_);
   } else if ([action isEqualToString:NSAccessibilityShowMenuAction]) {
-    [self delegate]->AccessibilityShowContextMenu(
-        browserAccessibility_->GetId());
+    manager->ShowContextMenu(*browserAccessibility_);
   } else if ([action isEqualToString:NSAccessibilityScrollToVisibleAction]) {
-    browserAccessibility_->manager()->ScrollToMakeVisible(
+    manager->ScrollToMakeVisible(
         *browserAccessibility_, gfx::Rect());
   }
 }
 
 // Returns the description of the given action.
 - (NSString*)accessibilityActionDescription:(NSString*)action {
   if (![self instanceActive])
     return nil;
 
   return NSAccessibilityActionDescription(action);
@@ skipping 15 matching lines @@
 
   if ([attribute isEqualToString:NSAccessibilityFocusedAttribute]) {
     BrowserAccessibilityManager* manager = browserAccessibility_->manager();
     NSNumber* focusedNumber = value;
     BOOL focused = [focusedNumber intValue];
     if (focused)
       manager->SetFocus(*browserAccessibility_);
   }
   if ([attribute isEqualToString:NSAccessibilitySelectedTextRangeAttribute]) {
     NSRange range = [(NSValue*)value rangeValue];
-    [self delegate]->AccessibilitySetSelection(
-        browserAccessibility_->GetId(), range.location,
-        browserAccessibility_->GetId(), range.location + range.length);
+    BrowserAccessibilityManager* manager = browserAccessibility_->manager();
+    manager->SetTextSelection(
+        *browserAccessibility_, range.location, range.location + range.length);
   }
 }
 
 // Returns the deepest accessibility child that should not be ignored.
 // It is assumed that the hit test has been narrowed down to this object
 // or one of its children, so this will never return nil unless this
 // object is invalid.
 - (id)accessibilityHitTest:(NSPoint)point {
   if (![self instanceActive])
     return nil;
@@ skipping 23 matching lines @@
 }
 
 - (BOOL)accessibilityNotifiesWhenDestroyed {
   // Indicate that BrowserAccessibilityCocoa will post a notification when it's
   // destroyed (see -detach). This allows VoiceOver to do some internal things
   // more efficiently.
   return YES;
 }
 
 @end