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

ui/gl/init/gl_factory_win.cc

Index: ui/gl/init/gl_factory_win.cc
diff --git a/ui/gl/init/gl_factory_win.cc b/ui/gl/init/gl_factory_win.cc
index 5d560fd61449b5da67ef15b08777b6a267672b5b..cfccb47ac3dc3aa3247a7024a1823fb62d9efc01 100644
--- a/ui/gl/init/gl_factory_win.cc
+++ b/ui/gl/init/gl_factory_win.cc
@@ -11,6 +11,7 @@
 #include "ui/gl/gl_context_osmesa.h"
 #include "ui/gl/gl_context_stub.h"
 #include "ui/gl/gl_context_wgl.h"
+#include "ui/gl/gl_egl_api_implementation.h"
 #include "ui/gl/gl_implementation.h"
 #include "ui/gl/gl_share_group.h"
 #include "ui/gl/gl_surface.h"
@@ -19,11 +20,31 @@
 #include "ui/gl/gl_surface_osmesa_win.h"
 #include "ui/gl/gl_surface_stub.h"
 #include "ui/gl/gl_surface_wgl.h"
+#include "ui/gl/gl_wgl_api_implementation.h"
 #include "ui/gl/vsync_provider_win.h"
 
 namespace gl {
 namespace init {
 
+std::vector<GLImplementation> GetAllowedGLImplementations() {
+  std::vector<GLImplementation> impls;
+  impls.push_back(kGLImplementationEGLGLES2);
+  impls.push_back(kGLImplementationDesktopGL);
+  impls.push_back(kGLImplementationOSMesaGL);
+  return impls;
+}
+
+bool GetGLWindowSystemBindingInfo(GLWindowSystemBindingInfo* info) {
+  switch (GetGLImplementation()) {
+    case kGLImplementationDesktopGL:
+      return GetGLWindowSystemBindingInfoWGL(info);
+    case kGLImplementationEGLGLES2:
+      return GetGLWindowSystemBindingInfoEGL(info);
+    default:
+      return false;
+  }
+}
+
 scoped_refptr<GLContext> CreateGLContext(GLShareGroup* share_group,
                                          GLSurface* compatible_surface,
                                          GpuPreference gpu_preference) {