Add AsyncFlush when transferbuffer is > a certain size

gpu/command_buffer/client/gles2_implementation_unittest.cc

Index: gpu/command_buffer/client/gles2_implementation_unittest.cc
diff --git a/gpu/command_buffer/client/gles2_implementation_unittest.cc b/gpu/command_buffer/client/gles2_implementation_unittest.cc
index c354e9ec434adcdc4fb2c5d1290fe5b015371191..580b4d4f0b353f5c855cfd856acc0040879e7270 100644
--- a/gpu/command_buffer/client/gles2_implementation_unittest.cc
+++ b/gpu/command_buffer/client/gles2_implementation_unittest.cc
@@ -116,7 +116,8 @@ class MockTransferBuffer : public TransferBufferInterface {
       unsigned int result_size,
       unsigned int /* min_buffer_size */,
       unsigned int /* max_buffer_size */,
-      unsigned int alignment) OVERRIDE;
+      unsigned int alignment,
+      unsigned int size_to_flush) OVERRIDE;
   virtual int GetShmId() OVERRIDE;
   virtual void* GetResultBuffer() OVERRIDE;
   virtual int GetResultOffset() OVERRIDE;
@@ -224,7 +225,8 @@ bool MockTransferBuffer::Initialize(
     unsigned int result_size,
     unsigned int /* min_buffer_size */,
     unsigned int /* max_buffer_size */,
-    unsigned int alignment) {
+    unsigned int alignment,
+    unsigned int /* size_to_flush */) {
   // Just check they match.
   return size_ == starting_buffer_size &&
          result_size_ == result_size &&