[Android] Add enhanced bookmarks grid/list view experiment.

chrome/browser/enhanced_bookmarks/android/enhanced_bookmarks_bridge.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/enhanced_bookmarks/android/enhanced_bookmarks_bridge.h"
 
 #include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/bookmarks/bookmark_model_factory.h"
 #include "chrome/browser/enhanced_bookmarks/android/bookmark_image_service_android.h"
 #include "chrome/browser/enhanced_bookmarks/android/bookmark_image_service_factory.h"
 #include "chrome/browser/enhanced_bookmarks/bookmark_server_cluster_service_factory.h"
 #include "chrome/browser/enhanced_bookmarks/enhanced_bookmark_model_factory.h"
 #include "chrome/browser/profiles/profile_android.h"
 #include "chrome/browser/signin/profile_oauth2_token_service_factory.h"
 #include "chrome/browser/signin/signin_manager_factory.h"
 #include "chrome/common/chrome_version_info.h"
 #include "chrome/common/pref_names.h"
 #include "components/bookmarks/browser/bookmark_model.h"
 #include "components/bookmarks/browser/bookmark_utils.h"
 #include "components/bookmarks/common/android/bookmark_id.h"
 #include "components/bookmarks/common/android/bookmark_type.h"
 #include "components/enhanced_bookmarks/bookmark_server_cluster_service.h"
 #include "components/enhanced_bookmarks/enhanced_bookmark_model.h"
+#include "components/enhanced_bookmarks/enhanced_bookmark_utils.h"
 #include "components/enhanced_bookmarks/image_record.h"
 #include "components/signin/core/browser/signin_manager.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/web_contents.h"
 #include "jni/EnhancedBookmarksBridge_jni.h"
 #include "ui/gfx/android/java_bitmap.h"
 #include "ui/gfx/image/image.h"
 
 using base::android::AttachCurrentThread;
 using base::android::ScopedJavaGlobalRef;
@@ skipping 270 matching lines @@
 
 bool EnhancedBookmarksBridge::IsEditable(const BookmarkNode* node) const {
   if (!node || (node->type() != BookmarkNode::FOLDER &&
       node->type() != BookmarkNode::URL)) {
     return false;
   }
   return profile_->GetPrefs()->GetBoolean(
         bookmarks::prefs::kEditBookmarksEnabled);
 }
 
+static jint GetDefaultViewMode(JNIEnv* env, jclass jcaller) {
+  return enhanced_bookmarks::GetDefaultViewMode();
+}
+
 static jlong Init(JNIEnv* env, jobject obj, jobject j_profile) {
   return reinterpret_cast<jlong>(new EnhancedBookmarksBridge(
         env, obj, ProfileAndroid::FromProfileAndroid(j_profile)));
 }
 
 bool RegisterEnhancedBookmarksBridge(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace android
 }  // namespace enhanced_bookmarks