Change GLGetProcAddress typedef to function returning function pointer

ui/ozone/platform/cast/surface_factory_cast.cc

 // Copyright 2015 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 "ui/ozone/platform/cast/surface_factory_cast.h"
 
 #include <EGL/egl.h>
 #include <dlfcn.h>
 
 #include <utility>
@@ skipping 303 matching lines @@
 bool SurfaceFactoryCast::LoadEGLGLES2Bindings() {
   if (state_ != kInitialized) {
     InitializeHardware();
     if (state_ != kInitialized) {
       return false;
     }
   }
 
   void* lib_egl = egl_platform_->GetEglLibrary();
   void* lib_gles2 = egl_platform_->GetGles2Library();
-  gl::GLGetProcAddressProc gl_proc = egl_platform_->GetGLProcAddressProc();
+  gl::GLGetProcAddressProc gl_proc = reinterpret_cast<gl::GLGetProcAddressProc>(
+      egl_platform_->GetGLProcAddressProc());
   if (!lib_egl || !lib_gles2 || !gl_proc) {
     return false;
   }
 
   gl::SetGLGetProcAddressProc(gl_proc);
   gl::AddGLNativeLibrary(lib_egl);
   gl::AddGLNativeLibrary(lib_gles2);
   return true;
 }
 
 }  // namespace ui