Fix the MessageLoop type in case more than one ozone platform is built

ui/ozone/public/ozone_platform.h

 // Copyright 2014 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.
 
 #ifndef UI_OZONE_PUBLIC_OZONE_PLATFORM_H_
 #define UI_OZONE_PUBLIC_OZONE_PLATFORM_H_
 
 #include <memory>
 
 #include "base/macros.h"
+#include "base/message_loop/message_loop.h"
 #include "ui/ozone/ozone_export.h"
 
 namespace display {
 class NativeDisplayDelegate;
 }
 
 namespace gfx {
 class Rect;
 }
 
@@ skipping 80 matching lines @@
   virtual ui::InputController* GetInputController() = 0;
   virtual IPC::MessageFilter* GetGpuMessageFilter();
   virtual ui::GpuPlatformSupportHost* GetGpuPlatformSupportHost() = 0;
   virtual std::unique_ptr<SystemInputInjector> CreateSystemInputInjector() = 0;
   virtual std::unique_ptr<PlatformWindow> CreatePlatformWindow(
       PlatformWindowDelegate* delegate,
       const gfx::Rect& bounds) = 0;
   virtual std::unique_ptr<display::NativeDisplayDelegate>
   CreateNativeDisplayDelegate() = 0;
 
+  // Returns the message loop type required for OzonePlatform instance that
+  // will be initialized.
+  virtual base::MessageLoop::Type GetMessageLoopTypeForGpu();
+
   // Ozone platform implementations may also choose to expose mojo interfaces to
   // internal functionality. Embedders wishing to take advantage of ozone mojo
   // implementations must invoke AddInterfaces with a valid
   // service_manager::InterfaceRegistry* pointer to export all Mojo interfaces
   // defined within Ozone.
   //
   // A default do-nothing implementation is provided to permit platform
   // implementations to opt out of implementing any Mojo interfaces.
   virtual void AddInterfaces(service_manager::InterfaceRegistry* registry);
 
+  static void CreateInstance();

[kylechar, 2017/02/07 17:41:47]

Please put this with the static functions, above "static void
InitializeForUI()".

[tonikitoo, 2017/02/07 19:36:41]

Done.

+
  private:
   virtual void InitializeUI() = 0;
   virtual void InitializeGPU() = 0;
   virtual void InitializeUI(const InitParams& args);
   virtual void InitializeGPU(const InitParams& args);
 
-  static void CreateInstance();
-
   static OzonePlatform* instance_;
 
   DISALLOW_COPY_AND_ASSIGN(OzonePlatform);
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_PUBLIC_OZONE_PLATFORM_H_