Break //ui/gl/ dependency on //ui/ozone.

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/linux/pkg_config.gni")
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 
 use_egl = is_win || is_android || is_linux
 use_glx = use_x11
@@ skipping 171 matching lines @@
       "gl_surface_osmesa_x11.cc",
       "gl_surface_osmesa_x11.h",
     ]
 
     data_deps = [
       "//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",
-    ]
-
-    deps += [ "//ui/ozone" ]
+    sources += [ "gl_implementation_ozone.cc" ]
   }
   if (use_glx) {
     sources += [
       "gl_bindings_autogen_glx.cc",
       "gl_bindings_autogen_glx.h",
       "gl_context_glx.cc",
       "gl_context_glx.h",
       "gl_glx_api_implementation.cc",
       "gl_glx_api_implementation.h",
       "gl_image_glx.cc",
@@ skipping 202 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"
   }
 }