Remove unused code

Bug: None
Change-Id: Iab00c7254288d0b1e3d033fa6c3b41a4f3d8ee1e
Reviewed-on: https://chromium-review.googlesource.com/1213531
Commit-Queue: Nektarios Paisios <nektar@chromium.org>
Reviewed-by: Nektarios Paisios <nektar@chromium.org>
Cr-Commit-Position: refs/heads/master@{#590356}

content/browser/accessibility/browser_accessibility_mac.h

@@ -38,11 +38,6 @@ class BrowserAccessibilityMac : public BrowserAccessibility {
     return browser_accessibility_cocoa_;
   }
 
-  // Detach the BrowserAccessibilityCocoa object and then recreate it.
-  // This is only used to work around VoiceOver bugs by forcing VoiceOver
-  // to rebuild its internal state.
-  void RecreateNativeObject();
-
  private:
   // This gives BrowserAccessibility::Create access to the class constructor.
   friend class BrowserAccessibility;

content/browser/accessibility/browser_accessibility_mac.mm

@@ -82,21 +82,6 @@ BrowserAccessibility* BrowserAccessibilityMac::PlatformGetChild(
   return nullptr;
 }
 
-void BrowserAccessibilityMac::RecreateNativeObject() {
-  if (!browser_accessibility_cocoa_)
-    return;
-
-  // Preserve the children so that recreating the native object doesn't
-  // end up recreating the whole subtree.
-  base::scoped_nsobject<NSMutableArray> children;
-  [browser_accessibility_cocoa_ swapChildren:&children];
-  [browser_accessibility_cocoa_ detach];
-  [browser_accessibility_cocoa_ release];
-  browser_accessibility_cocoa_ = [[BrowserAccessibilityCocoa alloc]
-      initWithObject:this];
-  [browser_accessibility_cocoa_ swapChildren:&children];
-}
-
 const BrowserAccessibilityCocoa*
 ToBrowserAccessibilityCocoa(const BrowserAccessibility* obj) {
   DCHECK(obj);