Add support for not owning distilled WebContents

chrome/browser/dom_distiller/tab_utils_android.cc

 // 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.
 
 #include "chrome/browser/dom_distiller/tab_utils_android.h"
 
 #include <string>
 
 #include "base/android/jni_string.h"
 #include "base/prefs/pref_service.h"
@@ skipping 10 matching lines @@
 namespace android {
 
 void DistillCurrentPageAndView(JNIEnv* env,
                                jclass clazz,
                                jobject j_web_contents) {
   content::WebContents* web_contents =
       content::WebContents::FromJavaWebContents(j_web_contents);
   ::DistillCurrentPageAndView(web_contents);
 }
 
+void DistillAndView(JNIEnv* env,
+                    jclass clazz,
+                    jobject j_source_web_contents,
+                    jobject j_destination_web_contents) {
+  content::WebContents* source_web_contents =
+      content::WebContents::FromJavaWebContents(j_source_web_contents);
+  content::WebContents* destination_web_contents =
+      content::WebContents::FromJavaWebContents(j_destination_web_contents);
+  ::DistillAndView(source_web_contents, destination_web_contents);
+}
+
 jstring GetFormattedUrlFromOriginalDistillerUrl(JNIEnv* env,
                                                 jclass clazz,
                                                 jstring j_url) {
   GURL url(base::android::ConvertJavaStringToUTF8(env, j_url));
   Profile* profile = ProfileManager::GetLastUsedProfile();
   std::string languages;  // Empty if Profile cannot be retrieved.
   if (profile) {
     languages = profile->GetPrefs()->GetString(prefs::kAcceptLanguages);
   }
 
@@ skipping 12 matching lines @@
                             NULL,
                             NULL,
                             NULL)).Release();
 }
 
 }  // namespace android
 
 bool RegisterDomDistillerTabUtils(JNIEnv* env) {
   return android::RegisterNativesImpl(env);
 }