Revert 242026 "Get Windows 8 ASH to work again. "

After this was landed almost all tests in ash_unittests are crashing.
http://build.chromium.org/p/chromium.win/buildstatus?builder=Win8%20Aura&number=13804
http://build.chromium.org/p/chromium.win/builders/Win8%20Aura/builds/13804/steps/ash_unittests/logs/stdio

> Get Windows 8 ASH to work again. 
> 
> This broke in revision 236017 which creates the compositor in the ctor of the RemoteRootWindowHostWin class.
> This in turn uses the GetAcceleratedWidget function which returns the desktop window as the metro viewer is not yet
> connected to the browser.
> 
> Moving the CreateCompositor call to the RemoteRootWindowHostWin::Connected function fixes this.
> 
> BUG=none
> TBR=ben
> 
> Review URL: https://codereview.chromium.org/64363004

TBR=ananta@chromium.org

Review URL: https://codereview.chromium.org/119863002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@242053 0039d316-1c4b-4281-b951-d872f2087c98

ui/aura/remote_root_window_host_win.cc

@@ -162,6 +162,7 @@ RemoteRootWindowHostWin::RemoteRootWindowHostWin(const gfx::Rect& bounds)
       event_flags_(0),
       window_size_(aura::RootWindowHost::GetNativeScreenSize()) {
   prop_.reset(new ui::ViewProp(NULL, kRootWindowHostWinKey, this));
+  CreateCompositor(GetAcceleratedWidget());
 }
 
 RemoteRootWindowHostWin::~RemoteRootWindowHostWin() {
@@ -172,7 +173,6 @@ void RemoteRootWindowHostWin::Connected(IPC::Sender* host, HWND remote_window) {
   CHECK(host_ == NULL);
   host_ = host;
   remote_window_ = remote_window;
-  CreateCompositor(remote_window_);
 }
 
 void RemoteRootWindowHostWin::Disconnected() {