--- a/gin/public/v8_platform.h
+++ b/gin/public/v8_platform.h
@@ -29,8 +29,8 @@
   // so we can be sure that the allocator used employs security features such as
   // enabling Arm's Branch Target Instructions for executable pages. This is
   // verified in the tests for gin::PageAllocator.
-  PageAllocator* GetPageAllocator() override;
-  static PageAllocator* PageAllocator();
+  gin::PageAllocator* GetPageAllocator() override;
+  static gin::PageAllocator* PageAllocator();
   void OnCriticalMemoryPressure() override;
   v8::ZoneBackingAllocator* GetZoneBackingAllocator() override;
 #endif