Switch to standard integer types in chrome/browser/, part 4 of 4.

chrome/browser/sync_file_system/drive_backend/metadata_database_index.h

Index: chrome/browser/sync_file_system/drive_backend/metadata_database_index.h
diff --git a/chrome/browser/sync_file_system/drive_backend/metadata_database_index.h b/chrome/browser/sync_file_system/drive_backend/metadata_database_index.h
index c907e6d0426768d698b23a333a142bc5e5de1b71..a6f4510e6814f3c8d3cc9d29f3b7daf04dca8ed5 100644
--- a/chrome/browser/sync_file_system/drive_backend/metadata_database_index.h
+++ b/chrome/browser/sync_file_system/drive_backend/metadata_database_index.h
@@ -5,6 +5,9 @@
 #ifndef CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_METADATA_DATABASE_INDEX_H_
 #define CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_METADATA_DATABASE_INDEX_H_
 
+#include <stddef.h>
+#include <stdint.h>
+
 #include <map>
 #include <set>
 #include <string>
@@ -12,6 +15,7 @@
 
 #include "base/containers/hash_tables.h"
 #include "base/containers/scoped_ptr_hash_map.h"
+#include "base/macros.h"
 #include "base/memory/scoped_vector.h"
 #include "chrome/browser/sync_file_system/drive_backend/metadata_database_index_interface.h"
 #include "chrome/browser/sync_file_system/drive_backend/tracker_id_set.h"
@@ -61,53 +65,53 @@ class MetadataDatabaseIndex : public MetadataDatabaseIndexInterface {
   void RemoveUnreachableItems() override;
   bool GetFileMetadata(const std::string& file_id,
                        FileMetadata* metadata) const override;
-  bool GetFileTracker(int64 tracker_id, FileTracker* tracker) const override;
+  bool GetFileTracker(int64_t tracker_id, FileTracker* tracker) const override;
   void StoreFileMetadata(scoped_ptr<FileMetadata> metadata) override;
   void StoreFileTracker(scoped_ptr<FileTracker> tracker) override;
   void RemoveFileMetadata(const std::string& file_id) override;
-  void RemoveFileTracker(int64 tracker_id) override;
+  void RemoveFileTracker(int64_t tracker_id) override;
   TrackerIDSet GetFileTrackerIDsByFileID(
       const std::string& file_id) const override;
-  int64 GetAppRootTracker(const std::string& app_id) const override;
+  int64_t GetAppRootTracker(const std::string& app_id) const override;
   TrackerIDSet GetFileTrackerIDsByParentAndTitle(
-      int64 parent_tracker_id,
+      int64_t parent_tracker_id,
       const std::string& title) const override;
-  std::vector<int64> GetFileTrackerIDsByParent(
-      int64 parent_tracker_id) const override;
+  std::vector<int64_t> GetFileTrackerIDsByParent(
+      int64_t parent_tracker_id) const override;
   std::string PickMultiTrackerFileID() const override;
   ParentIDAndTitle PickMultiBackingFilePath() const override;
-  int64 PickDirtyTracker() const override;
-  void DemoteDirtyTracker(int64 tracker_id) override;
+  int64_t PickDirtyTracker() const override;
+  void DemoteDirtyTracker(int64_t tracker_id) override;
   bool HasDemotedDirtyTracker() const override;
-  bool IsDemotedDirtyTracker(int64 tracker_id) const override;
-  void PromoteDemotedDirtyTracker(int64 tracker_id) override;
+  bool IsDemotedDirtyTracker(int64_t tracker_id) const override;
+  void PromoteDemotedDirtyTracker(int64_t tracker_id) override;
   bool PromoteDemotedDirtyTrackers() override;
   size_t CountDirtyTracker() const override;
   size_t CountFileMetadata() const override;
   size_t CountFileTracker() const override;
   void SetSyncRootRevalidated() const override;
-  void SetSyncRootTrackerID(int64 sync_root_id) const override;
-  void SetLargestChangeID(int64 largest_change_id) const override;
-  void SetNextTrackerID(int64 next_tracker_id) const override;
+  void SetSyncRootTrackerID(int64_t sync_root_id) const override;
+  void SetLargestChangeID(int64_t largest_change_id) const override;
+  void SetNextTrackerID(int64_t next_tracker_id) const override;
   bool IsSyncRootRevalidated() const override;
-  int64 GetSyncRootTrackerID() const override;
-  int64 GetLargestChangeID() const override;
-  int64 GetNextTrackerID() const override;
+  int64_t GetSyncRootTrackerID() const override;
+  int64_t GetLargestChangeID() const override;
+  int64_t GetNextTrackerID() const override;
   std::vector<std::string> GetRegisteredAppIDs() const override;
-  std::vector<int64> GetAllTrackerIDs() const override;
+  std::vector<int64_t> GetAllTrackerIDs() const override;
   std::vector<std::string> GetAllMetadataIDs() const override;
 
  private:
   typedef base::ScopedPtrHashMap<std::string, scoped_ptr<FileMetadata>>
       MetadataByID;
-  typedef base::ScopedPtrHashMap<int64, scoped_ptr<FileTracker>> TrackerByID;
+  typedef base::ScopedPtrHashMap<int64_t, scoped_ptr<FileTracker>> TrackerByID;
   typedef base::hash_map<std::string, TrackerIDSet> TrackerIDsByFileID;
   typedef base::hash_map<std::string, TrackerIDSet> TrackerIDsByTitle;
-  typedef std::map<int64, TrackerIDsByTitle> TrackerIDsByParentAndTitle;
-  typedef base::hash_map<std::string, int64> TrackerIDByAppID;
+  typedef std::map<int64_t, TrackerIDsByTitle> TrackerIDsByParentAndTitle;
+  typedef base::hash_map<std::string, int64_t> TrackerIDByAppID;
   typedef base::hash_set<std::string> FileIDSet;
   typedef base::hash_set<ParentIDAndTitle> PathSet;
-  typedef std::set<int64> DirtyTrackers;
+  typedef std::set<int64_t> DirtyTrackers;
 
   friend class MetadataDatabaseTest;