Motown: Stop requiring size when releasing payload buffers.

mojo/services/media/common/cpp/fifo_allocator.h

Index: mojo/services/media/common/cpp/fifo_allocator.h
diff --git a/mojo/services/media/common/cpp/fifo_allocator.h b/mojo/services/media/common/cpp/fifo_allocator.h
index 06e66e5b2b9c8bc68f2eaa8ec47bc7799e83a3d5..f2e07d49e02740ae53c1fa0762f0eccd8755196e 100644
--- a/mojo/services/media/common/cpp/fifo_allocator.h
+++ b/mojo/services/media/common/cpp/fifo_allocator.h
@@ -77,7 +77,7 @@ class FifoAllocator {
   uint64_t AllocateRegion(uint64_t size);
 
   // Releases a previously-allocated region.
-  void ReleaseRegion(uint64_t size, uint64_t offset);
+  void ReleaseRegion(uint64_t offset);
 
  private:
   // List element to track allocated and free regions.
@@ -93,7 +93,7 @@ class FifoAllocator {
 
   // Releases the specified region if it's found between begin (inclusive) and
   // end (exclusive).
-  bool Release(uint64_t size, uint64_t offset, Region* begin, Region* end);
+  bool Release(uint64_t offset, Region* begin, Region* end);
 
   // Advances the active region to one that's at least the specified size.
   // Returns false if none could be found.