command_buffer: Batch command processing to reduce handler overheads.

gpu/command_buffer/service/gles2_cmd_decoder_mock.cc

Index: gpu/command_buffer/service/gles2_cmd_decoder_mock.cc
diff --git a/gpu/command_buffer/service/gles2_cmd_decoder_mock.cc b/gpu/command_buffer/service/gles2_cmd_decoder_mock.cc
index a8e027d727610ba0ffabac866474262d138ad155..ff93ba138b8d0f7797f0895d46fc5964edf7bffb 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder_mock.cc
+++ b/gpu/command_buffer/service/gles2_cmd_decoder_mock.cc
@@ -17,5 +17,13 @@ MockGLES2Decoder::MockGLES2Decoder()
 
 MockGLES2Decoder::~MockGLES2Decoder() {}
 
+error::Error MockGLES2Decoder::FakeDoCommands(unsigned int num_commands,
+                                              const void* buffer,
+                                              int num_entries,
+                                              int* entries_processed) {
+  return AsyncAPIInterface::DoCommands(
+      num_commands, buffer, num_entries, entries_processed);
+}
+
 }  // namespace gles2
 }  // namespace gpu