mojo_shell crashes on Linux

mojo/services/native_viewport/native_viewport_win.cc

 // Copyright 2013 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 "mojo/services/native_viewport/native_viewport.h"
 
 #include "ui/events/event.h"
 #include "ui/gfx/win/window_impl.h"
 
 namespace mojo {
 namespace services {
 
 class NativeViewportWin : public gfx::WindowImpl,
                           public NativeViewport {
  public:
   explicit NativeViewportWin(NativeViewportDelegate* delegate)
       : delegate_(delegate) {
-    Init(NULL, gfx::Rect(10, 10, 500, 500));
-    ShowWindow(hwnd(), SW_SHOWNORMAL);
-    SetWindowText(hwnd(), L"native_viewport::NativeViewportWin!");
   }
   virtual ~NativeViewportWin() {
     if (IsWindow(hwnd()))
       DestroyWindow(hwnd());
   }
 
  private:
   // Overridden from NativeViewport:
   virtual gfx::Size GetSize() OVERRIDE {
     RECT cr;
     GetClientRect(hwnd(), &cr);
     return gfx::Size(cr.right - cr.left, cr.bottom - cr.top);
   }
+
+  virtual void Init() OVERRIDE {
+    gfx::WindowImpl::Init(NULL, gfx::Rect(10, 10, 500, 500));
+    ShowWindow(hwnd(), SW_SHOWNORMAL);
+    SetWindowText(hwnd(), L"native_viewport::NativeViewportWin!");
+  }
+
   virtual void Close() OVERRIDE {
     DestroyWindow(hwnd());
   }
 
   BEGIN_MSG_MAP_EX(NativeViewportWin)
     MESSAGE_RANGE_HANDLER_EX(WM_MOUSEFIRST, WM_MOUSELAST, OnMouseRange)
 
     MSG_WM_CREATE(OnCreate)
     MSG_WM_PAINT(OnPaint)
     MSG_WM_SIZE(OnSize)
@@ skipping 39 matching lines @@
 
 // static
 scoped_ptr<NativeViewport> NativeViewport::Create(
     shell::Context* context,
     NativeViewportDelegate* delegate) {
   return scoped_ptr<NativeViewport>(new NativeViewportWin(delegate)).Pass();
 }
 
 }  // namespace services
 }  // namespace mojo