Move GLSurface creation from //ui/gl to //ui/gl/init.

ui/gl/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 
 use_egl = is_win || is_android || is_linux
 use_glx = use_x11
 
@@ skipping 72 matching lines @@
     "gl_implementation_win.cc",
     "gl_osmesa_api_implementation.cc",
     "gl_osmesa_api_implementation.h",
     "gl_share_group.cc",
     "gl_share_group.h",
     "gl_state_restorer.cc",
     "gl_state_restorer.h",
     "gl_surface.cc",
     "gl_surface.h",
     "gl_surface_android.cc",
-    "gl_surface_mac.cc",
     "gl_surface_osmesa.cc",
     "gl_surface_osmesa.h",
     "gl_surface_overlay.cc",
     "gl_surface_overlay.h",
     "gl_surface_stub.cc",
     "gl_surface_stub.h",
     "gl_surface_win.cc",
     "gl_switches.cc",
     "gl_switches.h",
     "gl_version_info.cc",
@@ skipping 76 matching lines @@
       "//third_party/angle:libEGL",
       "//third_party/angle:libGLESv2",
     ]
   }
   if (use_ozone) {
     sources += [
       "gl_image_ozone_native_pixmap.cc",
       "gl_image_ozone_native_pixmap.h",
       "gl_implementation_ozone.cc",
       "gl_surface_ozone.cc",
+      "gl_surface_ozone.h",
     ]
 
     deps += [ "//ui/ozone" ]
   }
   if (use_glx) {
     sources += [
       "gl_bindings_autogen_glx.cc",
       "gl_bindings_autogen_glx.h",
       "gl_context_glx.cc",
       "gl_context_glx.h",
@@ skipping 14 matching lines @@
     deps += [ "//ui/gfx/x" ]
   }
   if (is_win) {
     sources += [
       "angle_platform_impl.cc",
       "angle_platform_impl.h",
       "gl_bindings_autogen_wgl.cc",
       "gl_bindings_autogen_wgl.h",
       "gl_context_wgl.cc",
       "gl_context_wgl.h",
+      "gl_surface_osmesa_win.cc",
+      "gl_surface_osmesa_win.h",
       "gl_surface_wgl.cc",
       "gl_surface_wgl.h",
       "gl_wgl_api_implementation.cc",
       "gl_wgl_api_implementation.h",
       "vsync_provider_win.cc",
       "vsync_provider_win.h",
     ]
 
     libs = [ "dwmapi.lib" ]
     ldflags = [ "/DELAYLOAD:dwmapi.dll" ]
@@ skipping 161 matching lines @@
     sources = [
       "../android/java/src/org/chromium/ui/gl/SurfaceTextureListener.java",
       "../android/java/src/org/chromium/ui/gl/SurfaceTexturePlatformWrapper.java",
     ]
     public_deps = [
       ":surface_jni_headers",
     ]
     jni_package = "ui/gl"
   }
 }