[Android History] Add Android history manager UI and bridge

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>
+
+#include "base/android/jni_android.h"
+#include "base/android/scoped_java_ref.h"
+#include "base/macros.h"
+#include "chrome/browser/history/browsing_history_service_handler.h"
+
+using base::android::JavaParamRef;
+
+// The bridge for fetching browsing history information for the Android
+// history UI. This queries the BrowsingHistoryService and listens
+// for callbacks.
+class BrowsingHistoryBridge : public BrowsingHistoryServiceHandler {
+
+ public:
+  explicit BrowsingHistoryBridge(JNIEnv* env,
+                                 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);
+
+  // 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;
+
+  BrowsingHistoryService* browsing_history_service_;
+  base::android::ScopedJavaGlobalRef<jobject> j_history_service_obj_;
+  base::android::ScopedJavaGlobalRef<jobject> j_query_result_obj_;
+  JNIEnv* env_;

[gone, 2016/12/02 19:34:37]

Should just call AttachCurrentThread() instead of storing the env_.

[Theresa, 2016/12/02 20:49:33]

Done.

+
+  DISALLOW_COPY_AND_ASSIGN(BrowsingHistoryBridge);
+};
+
+bool RegisterBrowsingHistoryBridge(JNIEnv* env);
+
+#endif  // CHROME_BROWSER_ANDROID_HISTORY_BROWSING_HISTORY_BRIDGE_H_