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

ui/gl/init/gl_factory_mac.cc

Index: ui/gl/init/gl_factory_mac.cc
diff --git a/ui/gl/init/gl_factory_mac.cc b/ui/gl/init/gl_factory_mac.cc
index 6b8fffa0440cb80db4fb21957a9f312334b4c39e..faca605f29b3f2eed623b906c887d917cee80154 100644
--- a/ui/gl/init/gl_factory_mac.cc
+++ b/ui/gl/init/gl_factory_mac.cc
@@ -4,6 +4,7 @@
 
 #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"
@@ -16,6 +17,7 @@
 #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 {
@@ -54,6 +56,22 @@ class NoOpGLSurface : public GLSurface {
 
 }  // 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) {