Pass JavaRef to Java methods in ui.

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 620 matching lines @@
     jfloat x,
     jfloat y,
     jfloat width,
     jfloat height) {
   RenderWidgetHostViewAndroid* view = GetRenderWidgetHostViewAndroid();
   const ReadbackRequestCallback result_callback =
       base::Bind(&WebContentsAndroid::OnFinishGetContentBitmap,
                  weak_factory_.GetWeakPtr(),
                  base::Owned(new ScopedJavaGlobalRef<jobject>(env, obj)),
                  base::Owned(new ScopedJavaGlobalRef<jobject>(env, jcallback)));
-  SkColorType pref_color_type = gfx::ConvertToSkiaColorType(color_type.obj());
+  SkColorType pref_color_type = gfx::ConvertToSkiaColorType(color_type);
   if (!view || pref_color_type == kUnknown_SkColorType) {
     result_callback.Run(SkBitmap(), READBACK_FAILED);
     return;
   }
   if (!view->IsSurfaceAvailableForCopy()) {
     result_callback.Run(SkBitmap(), READBACK_SURFACE_UNAVAILABLE);
     return;
   }
   view->GetScaledContentBitmap(scale,
                                pref_color_type,
@@ skipping 62 matching lines @@
     Java_WebContentsImpl_addToBitmapList(env, jbitmaps, jbitmap);
   }
   for (const gfx::Size& size : sizes) {
     Java_WebContentsImpl_createSizeAndAddToList(env, jsizes, size.width(),
                                                 size.height());
   }
   Java_WebContentsImpl_onDownloadImageFinished(
       env, *obj, *callback, id, http_status_code, jurl, jbitmaps, jsizes);
 }
 }  // namespace content