Move last of platform dependent init from //ui/gl to //ui/gl/init.

ui/gl/init/gl_factory_x11.cc

 // Copyright 2016 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/gl/init/gl_factory.h"
 
 #include "base/trace_event/trace_event.h"
 #include "ui/gl/gl_context.h"
 #include "ui/gl/gl_context_egl.h"
 #include "ui/gl/gl_context_glx.h"
 #include "ui/gl/gl_context_osmesa.h"
 #include "ui/gl/gl_context_stub.h"
+#include "ui/gl/gl_egl_api_implementation.h"
+#include "ui/gl/gl_glx_api_implementation.h"
 #include "ui/gl/gl_implementation.h"
 #include "ui/gl/gl_share_group.h"
 #include "ui/gl/gl_surface.h"
 #include "ui/gl/gl_surface_egl.h"
 #include "ui/gl/gl_surface_egl_x11.h"
 #include "ui/gl/gl_surface_glx.h"
 #include "ui/gl/gl_surface_osmesa.h"
 #include "ui/gl/gl_surface_osmesa_x11.h"
 #include "ui/gl/gl_surface_stub.h"
 
 namespace gl {
 namespace init {
 
+std::vector<GLImplementation> GetAllowedGLImplementations() {
+  std::vector<GLImplementation> impls;
+  impls.push_back(kGLImplementationDesktopGL);
+  impls.push_back(kGLImplementationEGLGLES2);
+  impls.push_back(kGLImplementationOSMesaGL);
+  return impls;
+}
+
+bool GetGLWindowSystemBindingInfo(GLWindowSystemBindingInfo* info) {
+  switch (GetGLImplementation()) {
+    case kGLImplementationDesktopGL:
+      return GetGLWindowSystemBindingInfoGLX(info);
+    case kGLImplementationEGLGLES2:
+      return GetGLWindowSystemBindingInfoEGL(info);
+    default:
+      return false;
+  }
+}
+
 scoped_refptr<GLContext> CreateGLContext(GLShareGroup* share_group,
                                          GLSurface* compatible_surface,
                                          GpuPreference gpu_preference) {
   TRACE_EVENT0("gpu", "gl::init::CreateGLContext");
   switch (GetGLImplementation()) {
     case kGLImplementationOSMesaGL:
       return InitializeGLContext(new GLContextOSMesa(share_group),
                                  compatible_surface, gpu_preference);
     case kGLImplementationDesktopGL:
       return InitializeGLContext(new GLContextGLX(share_group),
@@ skipping 40 matching lines @@
     case kGLImplementationMockGL:
       return new GLSurfaceStub;
     default:
       NOTREACHED();
       return nullptr;
   }
 }
 
 }  // namespace init
 }  // namespace gl