Use unique IDs for accessibility nodes on Android

content/browser/accessibility/browser_accessibility_mac_unittest.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.
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/browser/accessibility/browser_accessibility_cocoa.h"
+#include "content/browser/accessibility/browser_accessibility_mac.h"
 #include "content/browser/accessibility/browser_accessibility_manager.h"
 #include "content/browser/accessibility/browser_accessibility_manager_mac.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #import "testing/gtest_mac.h"
 #import "ui/gfx/test/ui_cocoa_test_helper.h"
 
 namespace content {
 
 class BrowserAccessibilityTest : public ui::CocoaTest {
  public:
@@ skipping 25 matching lines @@
     child2.location.set_x(250);
     child2.location.set_width(250);
     child2.location.set_height(100);
     child2.role = ui::AX_ROLE_HEADING;
 
     manager_.reset(
         new BrowserAccessibilityManagerMac(
             nil,
             MakeAXTreeUpdate(root, child1, child2),
             NULL));
-    accessibility_.reset([manager_->GetRoot()->ToBrowserAccessibilityCocoa()
+    accessibility_.reset([ToBrowserAccessibilityCocoa(manager_->GetRoot())
         retain]);
   }
 
   base::scoped_nsobject<BrowserAccessibilityCocoa> accessibility_;
   scoped_ptr<BrowserAccessibilityManager> manager_;
 };
 
 // Standard hit test.
 TEST_F(BrowserAccessibilityTest, HitTestTest) {
   BrowserAccessibilityCocoa* firstChild =
@@ skipping 51 matching lines @@
 
   // Now any attributes we query should return nil.
   EXPECT_EQ(nil, [retainedFirstChild
       accessibilityAttributeValue:NSAccessibilityDescriptionAttribute]);
 
   // Don't leak memory in the test.
   [retainedFirstChild release];
 }
 
 }  // namespace content