Add missing using statements for JNI types.

ui/gfx/android/java_bitmap.cc

 // Copyright (c) 2012 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.
 
 #include "ui/gfx/android/java_bitmap.h"
 
 #include <android/bitmap.h>
 
 #include "base/android/jni_string.h"
 #include "base/logging.h"
 #include "jni/BitmapHelper_jni.h"
 #include "ui/gfx/geometry/size.h"
 
 using base::android::AttachCurrentThread;
 using base::android::ConvertUTF8ToJavaString;
+using base::android::ScopedJavaLocalRef;
 
 namespace gfx {
 
 JavaBitmap::JavaBitmap(jobject bitmap)
     : bitmap_(bitmap),
       pixels_(NULL) {
   int err = AndroidBitmap_lockPixels(AttachCurrentThread(), bitmap_, &pixels_);
   DCHECK(!err);
   DCHECK(pixels_);
 
@@ skipping 98 matching lines @@
       return kN32_SkColorType;
     case BITMAP_FORMAT_RGB_565:
       return kRGB_565_SkColorType;
     case BITMAP_FORMAT_NO_CONFIG:
     default:
       return kUnknown_SkColorType;
   }
 }
 
 }  //  namespace gfx