[Android History] Add support for removing items

chrome/browser/android/history/browsing_history_bridge.h

 // Copyright 2016 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 CHROME_BROWSER_ANDROID_HISTORY_BROWSING_HISTORY_BRIDGE_H_
 #define CHROME_BROWSER_ANDROID_HISTORY_BROWSING_HISTORY_BRIDGE_H_
 
 #include <jni.h>
 #include <vector>
 
@@ skipping 14 matching lines @@
                                  const JavaParamRef<jobject>& obj,
                                  jobject j_profile);
   void Destroy(JNIEnv*, const JavaParamRef<jobject>&);
 
   void QueryHistory(JNIEnv* env,
                     const JavaParamRef<jobject>& obj,
                     const JavaParamRef<jobject>& j_result_obj,
                     jstring j_query,
                     int64_t j_query_end_time);
 
+  // Adds a HistoryEntry with the |j_url| and |j_timestamps| to the list of
+  // items being removed. The removal will not be committed until
+  // ::removeItems() is called.
+  void MarkItemForRemoval(
+      JNIEnv* env,
+      const JavaParamRef<jobject>& obj,
+      jstring j_url,
+      const JavaParamRef<jlongArray>& j_timestamps);
+
+  // Removes all items that have been marked for removal through
+  // ::markItemForRemoval().
+  void RemoveItems(JNIEnv* env,
+                   const JavaParamRef<jobject>& obj);
+
   // BrowsingHistoryServiceHandler implementation
   void OnQueryComplete(
       std::vector<BrowsingHistoryService::HistoryEntry>* results,
       BrowsingHistoryService::QueryResultsInfo* query_results_info) override;
   void OnRemoveVisitsComplete() override;
   void OnRemoveVisitsFailed() override;
   void HistoryDeleted() override;
   void HasOtherFormsOfBrowsingHistory(
       bool has_other_forms, bool has_synced_results) override;
 
  private:
   ~BrowsingHistoryBridge() override;
 
   std::unique_ptr<BrowsingHistoryService> browsing_history_service_;
   base::android::ScopedJavaGlobalRef<jobject> j_history_service_obj_;
   base::android::ScopedJavaGlobalRef<jobject> j_query_result_obj_;
 
+  std::vector<std::unique_ptr<BrowsingHistoryService::HistoryEntry>>
+      items_to_remove_;
+
   DISALLOW_COPY_AND_ASSIGN(BrowsingHistoryBridge);
 };
 
 bool RegisterBrowsingHistoryBridge(JNIEnv* env);
 
 #endif  // CHROME_BROWSER_ANDROID_HISTORY_BROWSING_HISTORY_BRIDGE_H_