Completed the code path from AndroidProviderService to HistoryBackend.

chrome/browser/history/android/android_history_provider_service.cc

+// 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.
+
+#include "chrome/browser/history/android/android_history_provider_service.h"
+
+#include "chrome/browser/history/history.h"
+#include "chrome/browser/history/history_backend.h"
+#include "chrome/browser/profiles/profile.h"
+
+using history::HistoryBackend;
+
+AndroidHistoryProviderService::AndroidHistoryProviderService(Profile* profile)
+    : profile_(profile) {
+}
+
+AndroidHistoryProviderService::~AndroidHistoryProviderService() {
+}
+
+AndroidHistoryProviderService::Handle
+AndroidHistoryProviderService::QueryHistoryAndBookmarks(
+    const std::vector<history::HistoryAndBookmarkRow::ColumnID>& projections,
+    const std::string& selection,
+    const std::vector<string16>& selection_args,
+    const std::string& sort_order,
+    CancelableRequestConsumerBase* consumer,
+    const QueryCallback& callback) {
+  QueryRequest* request = new QueryRequest(callback);
+  AddRequest(request, consumer);
+  HistoryService* hs = profile_->GetHistoryService(Profile::EXPLICIT_ACCESS);
+  if (hs) {
+    hs->Schedule(HistoryService::PRIORITY_NORMAL,
+            &HistoryBackend::QueryHistoryAndBookmarks, NULL, request,
+            projections, selection, selection_args, sort_order);
+  } else {
+    request->ForwardResultAsync(request->handle(), false, 0);
+  }
+  return request->handle();
+}
+
+AndroidHistoryProviderService::Handle
+AndroidHistoryProviderService::UpdateHistoryAndBookmarks(
+    const history::HistoryAndBookmarkRow& row,
+    const std::string& selection,
+    const std::vector<string16>& selection_args,
+    CancelableRequestConsumerBase* consumer,
+    const UpdateCallback& callback) {
+  UpdateRequest* request = new UpdateRequest(callback);
+  AddRequest(request, consumer);
+  HistoryService* hs = profile_->GetHistoryService(Profile::EXPLICIT_ACCESS);
+  if (hs) {
+    hs->Schedule(HistoryService::PRIORITY_NORMAL,
+            &HistoryBackend::UpdateHistoryAndBookmarks, NULL, request, row,
+            selection, selection_args);
+  } else {
+    request->ForwardResultAsync(request->handle(), false, 0);
+  }
+  return request->handle();
+}
+
+AndroidHistoryProviderService::Handle
+AndroidHistoryProviderService::DeleteHistoryAndBookmarks(
+    const std::string& selection,
+    const std::vector<string16>& selection_args,
+    CancelableRequestConsumerBase* consumer,
+    const DeleteCallback& callback) {
+  DeleteRequest* request = new DeleteRequest(callback);
+  AddRequest(request, consumer);
+  HistoryService* hs = profile_->GetHistoryService(Profile::EXPLICIT_ACCESS);
+  if (hs) {
+    hs->Schedule(HistoryService::PRIORITY_NORMAL,
+            &HistoryBackend::DeleteHistoryAndBookmarks, NULL, request,
+            selection, selection_args);
+  } else {
+    request->ForwardResultAsync(request->handle(), false, 0);
+  }
+  return request->handle();
+}
+
+AndroidHistoryProviderService::Handle
+AndroidHistoryProviderService::InsertHistoryAndBookmark(
+    const history::HistoryAndBookmarkRow& values,
+    CancelableRequestConsumerBase* consumer,
+    const InsertCallback& callback) {
+  InsertRequest* request = new InsertRequest(callback);
+  AddRequest(request, consumer);
+  HistoryService* hs = profile_->GetHistoryService(Profile::EXPLICIT_ACCESS);
+  if (hs) {
+    hs->Schedule(HistoryService::PRIORITY_NORMAL,
+            &HistoryBackend::InsertHistoryAndBookmark, NULL, request, values);
+  } else {
+    request->ForwardResultAsync(request->handle(), false, 0);
+  }
+  return request->handle();
+}
+
+AndroidHistoryProviderService::Handle
+AndroidHistoryProviderService::DeleteHistory(
+    const std::string& selection,
+    const std::vector<string16>& selection_args,
+    CancelableRequestConsumerBase* consumer,
+    const DeleteCallback& callback) {
+  DeleteRequest* request = new DeleteRequest(callback);
+  AddRequest(request, consumer);
+  HistoryService* hs = profile_->GetHistoryService(Profile::EXPLICIT_ACCESS);
+  if (hs) {
+    hs->Schedule(HistoryService::PRIORITY_NORMAL,
+            &HistoryBackend::DeleteHistory, NULL, request, selection,
+            selection_args);
+  } else {
+    request->ForwardResultAsync(request->handle(), false, 0);
+  }
+  return request->handle();
+}
+
+AndroidHistoryProviderService::Handle
+AndroidHistoryProviderService::MoveStatement(
+    history::AndroidStatement* statement,
+    int current_pos,
+    int destination,
+    CancelableRequestConsumerBase* consumer,
+    const MoveStatementCallback& callback) {
+  MoveStatementRequest* request = new MoveStatementRequest(callback);
+  AddRequest(request, consumer);
+  HistoryService* hs = profile_->GetHistoryService(Profile::EXPLICIT_ACCESS);
+  if (hs) {
+    hs->Schedule(HistoryService::PRIORITY_NORMAL,
+            &HistoryBackend::MoveStatement, NULL, request, statement,
+            current_pos, destination);
+  } else {
+    request->ForwardResultAsync(request->handle(), current_pos);
+  }
+  return request->handle();
+}
+
+void AndroidHistoryProviderService::CloseStatement(
+    history::AndroidStatement* statement) {
+  HistoryService* hs = profile_->GetHistoryService(Profile::EXPLICIT_ACCESS);
+  if (hs) {
+    hs->ScheduleAndForget(HistoryService::PRIORITY_NORMAL,
+            &HistoryBackend::CloseStatement, statement);
+  } else {
+    delete statement;
+  }
+}
+
+AndroidHistoryProviderService::Handle
+AndroidHistoryProviderService::InsertSearchTerm(
+    const history::SearchRow& row,
+    CancelableRequestConsumerBase* consumer,
+    const InsertCallback& callback) {
+  InsertRequest* request = new InsertRequest(callback);
+  AddRequest(request, consumer);
+  HistoryService* hs = profile_->GetHistoryService(Profile::EXPLICIT_ACCESS);
+  if (hs) {
+    hs->Schedule(HistoryService::PRIORITY_NORMAL,
+            &HistoryBackend::InsertSearchTerm, NULL, request, row);
+  } else {
+    request->ForwardResultAsync(request->handle(), false, 0);
+  }
+  return request->handle();
+}
+
+AndroidHistoryProviderService::Handle
+AndroidHistoryProviderService::UpdateSearchTerms(
+    const history::SearchRow& row,
+    const std::string& selection,
+    const std::vector<string16>& selection_args,
+    CancelableRequestConsumerBase* consumer,
+    const UpdateCallback& callback) {
+  UpdateRequest* request = new UpdateRequest(callback);
+  AddRequest(request, consumer);
+  HistoryService* hs = profile_->GetHistoryService(Profile::EXPLICIT_ACCESS);
+  if (hs) {
+    hs->Schedule(HistoryService::PRIORITY_NORMAL,
+            &HistoryBackend::UpdateSearchTerms, NULL, request, row, selection,
+            selection_args);
+  } else {
+    request->ForwardResultAsync(request->handle(), false, 0);
+  }
+  return request->handle();
+}
+
+AndroidHistoryProviderService::Handle
+AndroidHistoryProviderService::DeleteSearchTerms(
+    const std::string& selection,
+    const std::vector<string16>& selection_args,
+    CancelableRequestConsumerBase* consumer,
+    const DeleteCallback& callback) {
+  DeleteRequest* request = new DeleteRequest(callback);
+  AddRequest(request, consumer);
+  HistoryService* hs = profile_->GetHistoryService(Profile::EXPLICIT_ACCESS);
+  if (hs) {
+    hs->Schedule(HistoryService::PRIORITY_NORMAL,
+            &HistoryBackend::DeleteSearchTerms, NULL, request, selection,
+            selection_args);
+  } else {
+    request->ForwardResultAsync(request->handle(), false, 0);
+  }
+  return request->handle();
+}
+
+AndroidHistoryProviderService::Handle
+AndroidHistoryProviderService::QuerySearchTerms(
+    const std::vector<history::SearchRow::ColumnID>& projections,
+    const std::string& selection,
+    const std::vector<string16>& selection_args,
+    const std::string& sort_order,
+    CancelableRequestConsumerBase* consumer,
+    const QueryCallback& callback) {
+  QueryRequest* request = new QueryRequest(callback);
+  AddRequest(request, consumer);
+  HistoryService* hs = profile_->GetHistoryService(Profile::EXPLICIT_ACCESS);
+  if (hs) {
+    hs->Schedule(HistoryService::PRIORITY_NORMAL,
+            &HistoryBackend::QuerySearchTerms, NULL, request, projections,
+            selection, selection_args, sort_order);
+  } else {
+    request->ForwardResultAsync(request->handle(), false, 0);
+  }
+  return request->handle();
+}