Completed the code path from AndroidProviderService to HistoryBackend.

chrome/browser/history/history_backend.h

 // 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.
 
 #ifndef CHROME_BROWSER_HISTORY_HISTORY_BACKEND_H_
 #define CHROME_BROWSER_HISTORY_HISTORY_BACKEND_H_
 #pragma once
 
 #include <string>
 #include <utility>
@@ skipping 16 matching lines @@
 
 class BookmarkService;
 class TestingProfile;
 struct ThumbnailScore;
 
 namespace content {
 struct DownloadPersistentStoreInfo;
 }
 
 namespace history {
-
+#if defined(OS_ANDROID)
+class AndroidProviderBackend;
+#endif
 class CommitLaterTask;
 class HistoryPublisher;
 class VisitFilter;
 
 // *See the .cc file for more information on the design.*
 //
 // Internal history implementation which does most of the work of the history
 // system. This runs on a background thread (to not block the browser when we
 // do expensive operations) and is NOT threadsafe, so it must only be called
 // from message handlers on the background thread. Invoking on another thread
@@ skipping 251 matching lines @@
                                    const string16& term);
 
   void DeleteAllSearchTermsForKeyword(TemplateURLID keyword_id);
 
   void GetMostRecentKeywordSearchTerms(
       scoped_refptr<GetMostRecentKeywordSearchTermsRequest> request,
       TemplateURLID keyword_id,
       const string16& prefix,
       int max_count);
 
+#if defined(OS_ANDROID)
+  // Android Provider ---------------------------------------------------------
+
+  // History and bookmarks ----------------------------------------------------
+  void InsertHistoryAndBookmark(scoped_refptr<InsertRequest> request,
+                                const HistoryAndBookmarkRow& row);
+
+  void QueryHistoryAndBookmarks(
+      scoped_refptr<QueryRequest> request,
+      const std::vector<HistoryAndBookmarkRow::ColumnID>& projections,
+      const std::string& selection,
+      const std::vector<string16>& selection_args,
+      const std::string& sort_order);
+
+  void UpdateHistoryAndBookmarks(scoped_refptr<UpdateRequest> request,
+                                 const HistoryAndBookmarkRow& row,
+                                 const std::string& selection,
+                                 const std::vector<string16>& selection_args);
+
+  void DeleteHistoryAndBookmarks(scoped_refptr<DeleteRequest> request,
+                                 const std::string& selection,
+                                 const std::vector<string16>& selection_args);
+
+  void DeleteHistory(scoped_refptr<DeleteRequest> request,
+                     const std::string& selection,
+                     const std::vector<string16>& selection_args);
+
+  // Statement ----------------------------------------------------------------
+  // Move the statement's current position.
+  void MoveStatement(scoped_refptr<MoveStatementRequest> request,
+                     history::AndroidStatement* statement,
+                     int current_pos,
+                     int destination);
+
+  // Close the given statement. The ownership is transfered.
+  void CloseStatement(AndroidStatement* statement);
+
+  // Search terms -------------------------------------------------------------
+  void InsertSearchTerm(scoped_refptr<InsertRequest> request,
+                        const SearchRow& row);
+
+  void UpdateSearchTerms(scoped_refptr<UpdateRequest> request,
+                         const SearchRow& row,
+                         const std::string& selection,
+                         const std::vector<string16> selection_args);
+
+  void DeleteSearchTerms(scoped_refptr<DeleteRequest> request,
+                         const std::string& selection,
+                         const std::vector<string16> selection_args);
+
+  void QuerySearchTerms(scoped_refptr<QueryRequest> request,
+                        const std::vector<SearchRow::ColumnID>& projections,
+                        const std::string& selection,
+                        const std::vector<string16>& selection_args,
+                        const std::string& sort_order);
+
+#endif  // defined(OS_ANDROID)
+
   // Generic operations --------------------------------------------------------
 
   void ProcessDBTask(scoped_refptr<HistoryDBTaskRequest> request);
 
   virtual bool GetAllTypedURLs(URLRows* urls);
 
   virtual bool GetVisitsForURL(URLID id, VisitVector* visits);
 
   // Fetches up to |max_visits| most recent visits for the passed URL.
   virtual bool GetMostRecentVisitsForURL(URLID id,
@@ skipping 93 matching lines @@
 
   // Computes the name of the specified database on disk.
   FilePath GetThumbnailFileName() const;
 
   // Returns the name of the Favicons database. This is the new name
   // of the Thumbnails database.
   // See ThumbnailDatabase::RenameAndDropThumbnails.
   FilePath GetFaviconsFileName() const;
   FilePath GetArchivedFileName() const;
 
+#if defined(OS_ANDROID)
+  // Returns the name of android cache database.
+  FilePath GetAndroidCacheFileName() const;
+#endif
+
   class URLQuerier;
   friend class URLQuerier;
 
   // Does the work of Init.
   void InitImpl(const std::string& languages);
 
   // Adds a single visit to the database, updating the URL information such
   // as visit and typed count. The visit ID of the added visit and the URL ID
   // of the associated URL (whether added or not) is returned. Both values will
   // be 0 on failure.
@@ skipping 240 matching lines @@
   // may be NULL (during testing).
   //
   // Use GetBookmarkService to access this, which makes sure the service is
   // loaded.
   BookmarkService* bookmark_service_;
 
   // Publishes the history to all indexers which are registered to receive
   // history data from us. Can be NULL if there are no listeners.
   scoped_ptr<HistoryPublisher> history_publisher_;
 
+#if defined(OS_ANDROID)
+  // Used to provide the Android ContentProvider APIs.
+  scoped_ptr<AndroidProviderBackend> android_provider_backend_;
+#endif
+
   DISALLOW_COPY_AND_ASSIGN(HistoryBackend);
 };
 
 }  // namespace history
 
 #endif  // CHROME_BROWSER_HISTORY_HISTORY_BACKEND_H_