Adds a BrowserAccessibilityManager accessor to RenderWidgetHostView.

content/browser/renderer_host/render_widget_host_view_mac.mm

 // Copyright (c) 2011 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/renderer_host/render_widget_host_view_mac.h"
 
 #include <QuartzCore/QuartzCore.h>
 
 #include "base/bind.h"
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "base/mac/mac_util.h"
 #include "base/mac/scoped_cftyperef.h"
 #import "base/mac/scoped_nsautorelease_pool.h"
 #import "base/memory/scoped_nsobject.h"
 #include "base/metrics/histogram.h"
 #include "base/string_util.h"
 #include "base/sys_info.h"
 #include "base/sys_string_conversions.h"
 #include "base/utf_string_conversions.h"
 #import "content/browser/accessibility/browser_accessibility_cocoa.h"
 #include "content/browser/mac/closure_blocks_leopard_compat.h"
 #include "content/browser/plugin_process_host.h"
 #import "content/browser/renderer_host/accelerated_plugin_view_mac.h"
+#include "content/browser/accessibility/browser_accessibility_manager.h"
 #include "content/browser/renderer_host/backing_store_mac.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/browser/renderer_host/render_view_host.h"
 #import "content/browser/renderer_host/render_widget_host_view_mac_delegate.h"
 #import "content/browser/renderer_host/render_widget_host_view_mac_editcommand_helper.h"
 #import "content/browser/renderer_host/text_input_client_mac.h"
 #include "content/common/edit_command.h"
 #include "content/common/gpu/gpu_messages.h"
 #include "content/common/plugin_messages.h"
 #include "content/common/view_messages.h"
@@ skipping 1056 matching lines @@
 
 void RenderWidgetHostViewMac::SetBackground(const SkBitmap& background) {
   RenderWidgetHostView::SetBackground(background);
   if (render_widget_host_)
     render_widget_host_->Send(new ViewMsg_SetBackground(
         render_widget_host_->routing_id(), background));
 }
 
 void RenderWidgetHostViewMac::OnAccessibilityNotifications(
     const std::vector<ViewHostMsg_AccessibilityNotification_Params>& params) {
-  if (!browser_accessibility_manager_.get()) {
-    browser_accessibility_manager_.reset(
+  if (!GetBrowserAccessibilityManager()) {
+    SetBrowserAccessibilityManager(
         BrowserAccessibilityManager::CreateEmptyDocument(
             cocoa_view_, static_cast<WebAccessibility::State>(0), NULL));
   }
-  browser_accessibility_manager_->OnAccessibilityNotifications(params);
+  GetBrowserAccessibilityManager()->OnAccessibilityNotifications(params);
 }
 
 void RenderWidgetHostViewMac::SetTextInputActive(bool active) {
   if (active) {
     if (text_input_type_ == ui::TEXT_INPUT_TYPE_PASSWORD)
       EnablePasswordInput();
     else
       DisablePasswordInput();
   } else {
     if (text_input_type_ == ui::TEXT_INPUT_TYPE_PASSWORD)
@@ skipping 804 matching lines @@
   return [fullArray subarrayWithRange:NSMakeRange(index, length)];
 }
 
 - (NSUInteger)accessibilityArrayAttributeCount:(NSString *)attribute {
   NSArray* fullArray = [self accessibilityAttributeValue:attribute];
   return [fullArray count];
 }
 
 - (id)accessibilityAttributeValue:(NSString *)attribute {
   BrowserAccessibilityManager* manager =
-      renderWidgetHostView_->browser_accessibility_manager_.get();
+      renderWidgetHostView_->GetBrowserAccessibilityManager();
 
   // Contents specifies document view of RenderWidgetHostViewCocoa provided by
   // BrowserAccessibilityManager. Children includes all subviews in addition to
   // contents. Currently we do not have subviews besides the document view.
   if (([attribute isEqualToString:NSAccessibilityChildrenAttribute] ||
           [attribute isEqualToString:NSAccessibilityContentsAttribute]) &&
       manager) {
     return [NSArray arrayWithObjects:manager->
         GetRoot()->toBrowserAccessibilityCocoa(), nil];
   } else if ([attribute isEqualToString:NSAccessibilityRoleAttribute]) {
     return NSAccessibilityScrollAreaRole;
   }
   id ret = [super accessibilityAttributeValue:attribute];
   return ret;
 }
 
 - (NSArray*)accessibilityAttributeNames {
   NSMutableArray* ret = [[[NSMutableArray alloc] init] autorelease];
   [ret addObject:NSAccessibilityContentsAttribute];
   [ret addObjectsFromArray:[super accessibilityAttributeNames]];
   return ret;
 }
 
 - (id)accessibilityHitTest:(NSPoint)point {
-  if (!renderWidgetHostView_->browser_accessibility_manager_.get())
+  if (!renderWidgetHostView_->GetBrowserAccessibilityManager())
     return self;
   NSPoint pointInWindow = [[self window] convertScreenToBase:point];
   NSPoint localPoint = [self convertPoint:pointInWindow fromView:nil];
   localPoint.y = NSHeight([self bounds]) - localPoint.y;
   BrowserAccessibilityCocoa* root = renderWidgetHostView_->
-      browser_accessibility_manager_->
+      GetBrowserAccessibilityManager()->
           GetRoot()->toBrowserAccessibilityCocoa();
   id obj = [root accessibilityHitTest:localPoint];
   return obj;
 }
 
 - (BOOL)accessibilityIsIgnored {
-  return !renderWidgetHostView_->browser_accessibility_manager_.get();
+  return !renderWidgetHostView_->GetBrowserAccessibilityManager();
 }
 
 - (NSUInteger)accessibilityGetIndexOf:(id)child {
   BrowserAccessibilityManager* manager =
-      renderWidgetHostView_->browser_accessibility_manager_.get();
+      renderWidgetHostView_->GetBrowserAccessibilityManager();
   // Only child is root.
   if (manager &&
       manager->GetRoot()->toBrowserAccessibilityCocoa() == child) {
     return 0;
   } else {
     return NSNotFound;
   }
 }
 
 - (id)accessibilityFocusedUIElement {
   BrowserAccessibilityManager* manager =
-      renderWidgetHostView_->browser_accessibility_manager_.get();
+      renderWidgetHostView_->GetBrowserAccessibilityManager();
   if (manager) {
     BrowserAccessibility* focused_item = manager->GetFocus(NULL);
     DCHECK(focused_item);
     if (focused_item) {
       BrowserAccessibilityCocoa* focused_item_cocoa =
           focused_item->toBrowserAccessibilityCocoa();
       DCHECK(focused_item_cocoa);
       if (focused_item_cocoa)
         return focused_item_cocoa;
     }
@@ skipping 732 matching lines @@
   if (!string) return NO;
 
   // If the user is currently using an IME, confirm the IME input,
   // and then insert the text from the service, the same as TextEdit and Safari.
   [self confirmComposition];
   [self insertText:string];
   return YES;
 }
 
 @end