Android WebView: Make a custom Picture subclass

android_webview/native/aw_contents.h

 // 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.
 
 #ifndef ANDROID_WEBVIEW_NATIVE_AW_CONTENTS_H_
 #define ANDROID_WEBVIEW_NATIVE_AW_CONTENTS_H_
 
 #include <jni.h>
 #include <list>
 #include <string>
@@ skipping 99 matching lines @@
               jint clip_top,
               jint clip_right,
               jint clip_bottom);
   void SetGlobalVisibleRect(JNIEnv* env,
                             jobject obj,
                             jint visible_left,
                             jint visible_top,
                             jint visible_right,
                             jint visible_bottom);
   jint GetAwDrawGLViewContext(JNIEnv* env, jobject obj);
-  base::android::ScopedJavaLocalRef<jobject> CapturePicture(JNIEnv* env,
-                                                            jobject obj,
-                                                            int width,
-                                                            int height);
+  jint CapturePicture(JNIEnv* env, jobject obj, int width, int height);
   void EnableOnNewPicture(JNIEnv* env, jobject obj, jboolean enabled);
 
   // Geolocation API support
   void ShowGeolocationPrompt(const GURL& origin, base::Callback<void(bool)>);
   void HideGeolocationPrompt(const GURL& origin);
   void InvokeGeolocationCallback(JNIEnv* env,
                                  jobject obj,
                                  jboolean value,
                                  jstring origin);
 
@@ skipping 61 matching lines @@
   std::list<OriginCallback> pending_geolocation_prompts_;
 
   DISALLOW_COPY_AND_ASSIGN(AwContents);
 };
 
 bool RegisterAwContents(JNIEnv* env);
 
 }  // namespace android_webview
 
 #endif  // ANDROID_WEBVIEW_NATIVE_AW_CONTENTS_H_