Use scoped_ptr::Pass instead of scoped_ptr::PassAs<T>.

base/debug/trace_event_impl.cc

Index: base/debug/trace_event_impl.cc
diff --git a/base/debug/trace_event_impl.cc b/base/debug/trace_event_impl.cc
index 0607a19afd046671aea4a63b03a85d3a212b9ae6..d8f32cc2dd365f3826d247e4908eba7200dd705b 100644
--- a/base/debug/trace_event_impl.cc
+++ b/base/debug/trace_event_impl.cc
@@ -222,7 +222,7 @@ class TraceBufferRingBuffer : public TraceBuffer {
       TraceBufferChunk* chunk = chunks_[chunk_index];
       cloned_buffer->chunks_.push_back(chunk ? chunk->Clone().release() : NULL);
     }
-    return cloned_buffer.PassAs<TraceBuffer>();
+    return cloned_buffer.Pass();
   }
 
  private: