Switch to standard integer types in chrome/browser/, part 2 of 4.

chrome/browser/media_galleries/fileapi/media_file_system_backend.h

Index: chrome/browser/media_galleries/fileapi/media_file_system_backend.h
diff --git a/chrome/browser/media_galleries/fileapi/media_file_system_backend.h b/chrome/browser/media_galleries/fileapi/media_file_system_backend.h
index 1ae691b21b9dd1dbafed9122514a94d26b4034bb..71bdbcc93de16b4da11d07359e48f757b7c13802 100644
--- a/chrome/browser/media_galleries/fileapi/media_file_system_backend.h
+++ b/chrome/browser/media_galleries/fileapi/media_file_system_backend.h
@@ -5,12 +5,16 @@
 #ifndef CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_MEDIA_FILE_SYSTEM_BACKEND_H_
 #define CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_MEDIA_FILE_SYSTEM_BACKEND_H_
 
+#include <stdint.h>
+
 #include <string>
 
 #include "base/callback.h"
 #include "base/files/file_path.h"
+#include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
+#include "build/build_config.h"
 #include "chrome/browser/media_galleries/media_galleries_preferences.h"
 #include "storage/browser/fileapi/file_system_backend.h"
 #include "storage/browser/fileapi/task_runner_bound_observer_list.h"
@@ -76,13 +80,13 @@ class MediaFileSystemBackend : public storage::FileSystemBackend {
       storage::FileSystemType type) const override;
   scoped_ptr<storage::FileStreamReader> CreateFileStreamReader(
       const storage::FileSystemURL& url,
-      int64 offset,
-      int64 max_bytes_to_read,
+      int64_t offset,
+      int64_t max_bytes_to_read,
       const base::Time& expected_modification_time,
       storage::FileSystemContext* context) const override;
   scoped_ptr<storage::FileStreamWriter> CreateFileStreamWriter(
       const storage::FileSystemURL& url,
-      int64 offset,
+      int64_t offset,
       storage::FileSystemContext* context) const override;
   storage::FileSystemQuotaUtil* GetQuotaUtil() override;
   const storage::UpdateObserverList* GetUpdateObservers(