Fix most of the "gn check" errors in ui/*

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")
 if (is_android) {
+  import("//build/config/android/config.gni")
   import("//build/config/android/rules.gni")
 }
 
 gl_binding_output_dir = target_gen_dir
 
 config("gl_config") {
   if (use_x11) {
     defines = [ "GL_GLEXT_PROTOTYPES" ]
   }
 
@@ skipping 222 matching lines @@
   }
   if (use_ozone) {
     sources += [
       "gl_context_ozone.cc",
       "gl_egl_api_implementation.cc",
       "gl_egl_api_implementation.h",
       "gl_implementation_ozone.cc",
       "gl_surface_ozone.cc",
     ]
     deps += [
-      #"//ui/gfx/ozone",
       "//ui/ozone",
+      "//ui/ozone:ozone_base",
     ]
   }
 
-  # TODO(GYP) enable this dependency once its written.
-  #if (is_android && !android_webview_build) {
-  #  deps += [ "//ui/android:ui_java" ]
-  #}
+  if (is_android && !is_android_webview_build) {
+    deps += [ "//ui/android:ui_java" ]
+  }
 }
 
 action("generate_gl_bindings") {
   visibility = ":*"  # Only targets in this file can see this.
 
   script = "generate_bindings.py"
 
   # TODO(brettw) make this dynamic. The GYP version calls "generate_bindings.py
   # --inputs" to get the list here. What should happen is that the script
   # should generate a .d file, which we should declare here. That will
@@ skipping 74 matching lines @@
   generate_jni("gl_jni_headers") {
     deps = [ ":surface_jni_headers" ]
     forward_dependent_configs_from = [ ":surface_jni_headers" ]
     sources = [
       "../android/java/src/org/chromium/ui/gl/SurfaceTextureListener.java",
       "../android/java/src/org/chromium/ui/gl/SurfaceTexturePlatformWrapper.java",
     ]
     jni_package = "ui/gl"
   }
 }