Mojo: MOJO_OVERRIDE -> override in mojo/.

mojo/public/cpp/bindings/lib/fixed_buffer.h

Index: mojo/public/cpp/bindings/lib/fixed_buffer.h
diff --git a/mojo/public/cpp/bindings/lib/fixed_buffer.h b/mojo/public/cpp/bindings/lib/fixed_buffer.h
index a3515a2ae868fc11a29bcda9e85e236b0610d3e3..d23f6644c45acf2eb6d5353e2292004b1bce8807 100644
--- a/mojo/public/cpp/bindings/lib/fixed_buffer.h
+++ b/mojo/public/cpp/bindings/lib/fixed_buffer.h
@@ -43,7 +43,7 @@ class FixedBuffer : public Buffer {
   // Grows the buffer by |num_bytes| and returns a pointer to the start of the
   // addition. The resulting address is 8-byte aligned, and the content of the
   // memory is zero-filled.
-  virtual void* Allocate(size_t num_bytes) MOJO_OVERRIDE;
+  virtual void* Allocate(size_t num_bytes) override;
 
   size_t size() const { return size_; }