Remove content process sandbox code.

accessible/ipc/DocAccessibleParent.cpp

@@ -492,32 +492,7 @@ bool
 DocAccessibleParent::RecvGetWindowedPluginIAccessible(
       const WindowsHandle& aHwnd, IAccessibleHolder* aPluginCOMProxy)
 {
-#if defined(MOZ_CONTENT_SANDBOX)
-  // We don't actually want the accessible object for aHwnd, but rather the
-  // one that belongs to its child (see HTMLWin32ObjectAccessible).
-  HWND childWnd = ::GetWindow(reinterpret_cast<HWND>(aHwnd), GW_CHILD);
-  if (!childWnd) {
-    // We're seeing this in the wild - the plugin is windowed but we no longer
-    // have a window.
-    return true;
-  }
-
-  IAccessible* rawAccPlugin = nullptr;
-  HRESULT hr = ::AccessibleObjectFromWindow(childWnd, OBJID_WINDOW,
-                                            IID_IAccessible,
-                                            (void**)&rawAccPlugin);
-  if (FAILED(hr)) {
-    // This might happen if the plugin doesn't handle WM_GETOBJECT properly.
-    // We should not consider that a failure.
-    return true;
-  }
-
-  aPluginCOMProxy->Set(IAccessibleHolder::COMPtrType(rawAccPlugin));
-
-  return true;
-#else
   return false;
-#endif
 }
 
 #endif // defined(XP_WIN)

accessible/windows/msaa/HTMLWin32ObjectAccessible.cpp

@@ -62,25 +62,6 @@ HTMLWin32ObjectAccessible::HTMLWin32ObjectAccessible(void* aHwnd,
 {
   mHwnd = aHwnd;
   if (mHwnd) {
-#if defined(MOZ_CONTENT_SANDBOX)
-    if (XRE_IsContentProcess()) {
-      DocAccessibleChild* ipcDoc = aDoc->IPCDoc();
-      MOZ_ASSERT(ipcDoc);
-      if (!ipcDoc) {
-        return;
-      }
-
-      IAccessibleHolder proxyHolder;
-      if (!ipcDoc->SendGetWindowedPluginIAccessible(
-              reinterpret_cast<uintptr_t>(mHwnd), &proxyHolder)) {
-        return;
-      }
-
-      mCOMProxy.reset(proxyHolder.Release());
-      return;
-    }
-#endif
-
     // The plugin is not windowless. In this situation we use 
     // use its inner child owned by the plugin so that we don't get
     // in an infinite loop, where the WM_GETOBJECT's get forwarded
@@ -92,14 +73,6 @@ HTMLWin32ObjectAccessible::HTMLWin32ObjectAccessible(void* aHwnd,
 void
 HTMLWin32ObjectAccessible::GetNativeInterface(void** aNativeAccessible)
 {
-#if defined(MOZ_CONTENT_SANDBOX)
-  if (XRE_IsContentProcess()) {
-    RefPtr<IAccessible> addRefed = mCOMProxy.get();
-    addRefed.forget(aNativeAccessible);
-    return;
-  }
-#endif
-
   if (mHwnd) {
     ::AccessibleObjectFromWindow(static_cast<HWND>(mHwnd),
                                  OBJID_WINDOW, IID_IAccessible,

accessible/windows/msaa/HTMLWin32ObjectAccessible.h

@@ -8,10 +8,6 @@
 
 #include "BaseAccessibles.h"
 
-#if defined(MOZ_CONTENT_SANDBOX)
-#include "mozilla/mscom/Ptr.h"
-#endif
-
 struct IAccessible;
 
 namespace mozilla {
@@ -59,9 +55,6 @@ public:
 
 protected:
   void* mHwnd;
-#if defined(MOZ_CONTENT_SANDBOX)
-  mscom::ProxyUniquePtr<IAccessible> mCOMProxy;
-#endif
 };
 
 } // namespace a11y