Add initial GTK web accessibility framework (third attempt).

content/browser/renderer_host/render_widget_host_view_mac.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 "content/browser/renderer_host/render_widget_host_view_mac.h"
 
 #include <QuartzCore/QuartzCore.h>
 
 #include "base/bind.h"
 #include "base/debug/trace_event.h"
@@ skipping 2088 matching lines @@
   BrowserAccessibilityManager* manager =
       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];
+        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_->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_->
       GetBrowserAccessibilityManager()->
-          GetRoot()->toBrowserAccessibilityCocoa();
+          GetRoot()->ToBrowserAccessibilityCocoa();
   id obj = [root accessibilityHitTest:localPoint];
   return obj;
 }
 
 - (BOOL)accessibilityIsIgnored {
   return !renderWidgetHostView_->GetBrowserAccessibilityManager();
 }
 
 - (NSUInteger)accessibilityGetIndexOf:(id)child {
   BrowserAccessibilityManager* manager =
       renderWidgetHostView_->GetBrowserAccessibilityManager();
   // Only child is root.
   if (manager &&
-      manager->GetRoot()->toBrowserAccessibilityCocoa() == child) {
+      manager->GetRoot()->ToBrowserAccessibilityCocoa() == child) {
     return 0;
   } else {
     return NSNotFound;
   }
 }
 
 - (id)accessibilityFocusedUIElement {
   BrowserAccessibilityManager* manager =
       renderWidgetHostView_->GetBrowserAccessibilityManager();
   if (manager) {
     BrowserAccessibility* focused_item = manager->GetFocus(NULL);
     DCHECK(focused_item);
     if (focused_item) {
       BrowserAccessibilityCocoa* focused_item_cocoa =
-          focused_item->toBrowserAccessibilityCocoa();
+          focused_item->ToBrowserAccessibilityCocoa();
       DCHECK(focused_item_cocoa);
       if (focused_item_cocoa)
         return focused_item_cocoa;
     }
   }
   return [super accessibilityFocusedUIElement];
 }
 
 - (void)doDefaultAction:(int32)accessibilityObjectId {
   RenderWidgetHostImpl* rwh = renderWidgetHostView_->render_widget_host_;
@@ skipping 725 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