Switch to standard integer types in components/, part 1 of 4.

components/drive/dummy_file_system.h

Index: components/drive/dummy_file_system.h
diff --git a/components/drive/dummy_file_system.h b/components/drive/dummy_file_system.h
index f8cdb48f240bf35b4d980a2eed1c3e9b8d5157ed..9a13654bfb758c09d6c181907a1b62a9be327c7a 100644
--- a/components/drive/dummy_file_system.h
+++ b/components/drive/dummy_file_system.h
@@ -5,6 +5,8 @@
 #ifndef COMPONENTS_DRIVE_DUMMY_FILE_SYSTEM_H_
 #define COMPONENTS_DRIVE_DUMMY_FILE_SYSTEM_H_
 
+#include <stdint.h>
+
 #include "components/drive/file_system_interface.h"
 
 namespace drive {
@@ -47,7 +49,7 @@ class DummyFileSystem : public FileSystemInterface {
                  const base::Time& last_modified_time,
                  const FileOperationCallback& callback) override {}
   void TruncateFile(const base::FilePath& file_path,
-                    int64 length,
+                    int64_t length,
                     const FileOperationCallback& callback) override {}
   void Pin(const base::FilePath& file_path,
            const FileOperationCallback& callback) override {}
@@ -100,7 +102,7 @@ class DummyFileSystem : public FileSystemInterface {
   void GetPathFromResourceId(const std::string& resource_id,
                              const GetFilePathCallback& callback) override {}
   void FreeDiskSpaceIfNeededFor(
-      int64 num_bytes,
+      int64_t num_bytes,
       const FreeDiskSpaceCallback& callback) override {}
   void CalculateEvictableCacheSize(
       const EvictableCacheSizeCallback& callback) override {}