Add missing using statements for JNI types.

content/browser/web_contents/web_contents_android.cc

 // Copyright 2013 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 "content/browser/web_contents/web_contents_android.h"
 
 #include <stdint.h>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
@@ skipping 29 matching lines @@
 #include "ui/gfx/android/java_bitmap.h"
 #include "ui/gfx/geometry/rect.h"
 
 using base::android::AttachCurrentThread;
 using base::android::ConvertJavaStringToUTF8;
 using base::android::ConvertJavaStringToUTF16;
 using base::android::ConvertUTF8ToJavaString;
 using base::android::ConvertUTF16ToJavaString;
 using base::android::JavaParamRef;
 using base::android::ScopedJavaGlobalRef;
+using base::android::ScopedJavaLocalRef;
 using base::android::ToJavaIntArray;
 
 namespace content {
 
 namespace {
 
 // Track all WebContentsAndroid objects here so that we don't deserialize a
 // destroyed WebContents object.
 base::LazyInstance<base::hash_set<WebContentsAndroid*> >::Leaky
     g_allocated_web_contents_androids = LAZY_INSTANCE_INITIALIZER;
@@ skipping 666 matching lines @@
   }
   for (const gfx::Size& size : sizes) {
     Java_WebContentsImpl_createSizeAndAddToList(
         env, jsizes.obj(), size.width(), size.height());
   }
   Java_WebContentsImpl_onDownloadImageFinished(
       env, obj->obj(), callback->obj(), id,
       http_status_code, jurl.obj(), jbitmaps.obj(), jsizes.obj());
 }
 }  // namespace content