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

ui/gl/init/gl_factory_mac.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/command_line.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/trace_event/trace_event.h"
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_context_cgl.h"
 #include "ui/gl/gl_context_osmesa.h"
 #include "ui/gl/gl_context_stub.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_osmesa.h"
 #include "ui/gl/gl_surface_stub.h"
+#include "ui/gl/gl_switches.h"
 
 namespace gl {
 namespace init {
 
 namespace {
 
 // A "no-op" surface. It is not required that a CGLContextObj have an
 // associated drawable (pbuffer or fullscreen context) in order to be
 // made current. Everywhere this surface type is used, we allocate an
 // FBO at the user level as the drawable of the associated context.
@@ skipping 18 matching lines @@
   ~NoOpGLSurface() override {}
 
  private:
   gfx::Size size_;
 
   DISALLOW_COPY_AND_ASSIGN(NoOpGLSurface);
 };
 
 }  // namespace
 
+std::vector<GLImplementation> GetAllowedGLImplementations() {
+  std::vector<GLImplementation> impls;
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kEnableUnsafeES3APIs)) {
+    impls.push_back(kGLImplementationDesktopGLCoreProfile);
+  }
+  impls.push_back(kGLImplementationDesktopGL);
+  impls.push_back(kGLImplementationAppleGL);
+  impls.push_back(kGLImplementationOSMesaGL);
+  return impls;
+}
+
+bool GetGLWindowSystemBindingInfo(GLWindowSystemBindingInfo* info) {
+  return false;
+}
+
 scoped_refptr<GLContext> CreateGLContext(GLShareGroup* share_group,
                                          GLSurface* compatible_surface,
                                          GpuPreference gpu_preference) {
   TRACE_EVENT0("gpu", "gl::init::CreateGLContext");
   switch (GetGLImplementation()) {
     case kGLImplementationDesktopGL:
     case kGLImplementationDesktopGLCoreProfile:
     case kGLImplementationAppleGL:
       // Note that with virtualization we might still be able to make current
       // a different onscreen surface with this context later. But we should
@@ skipping 45 matching lines @@
     case kGLImplementationMockGL:
       return new GLSurfaceStub;
     default:
       NOTREACHED();
       return nullptr;
   }
 }
 
 }  // namespace init
 }  // namespace gl