command_buffer: Batch command processing to reduce handler overheads.

gpu/command_buffer/client/cmd_buffer_helper_test.cc

Index: gpu/command_buffer/client/cmd_buffer_helper_test.cc
diff --git a/gpu/command_buffer/client/cmd_buffer_helper_test.cc b/gpu/command_buffer/client/cmd_buffer_helper_test.cc
index c2d1361555a0e5afbe0317980f7e0007316bc54b..625007455032b171629a25bc2da4158a5c220142 100644
--- a/gpu/command_buffer/client/cmd_buffer_helper_test.cc
+++ b/gpu/command_buffer/client/cmd_buffer_helper_test.cc
@@ -85,7 +85,8 @@ class CommandBufferServiceLocked : public CommandBufferService {
 class CommandBufferHelperTest : public testing::Test {
  protected:
   virtual void SetUp() {
-    api_mock_.reset(new AsyncAPIMock);
+    api_mock_.reset(new AsyncAPIMock(true));
+
     // ignore noops in the mock - we don't want to inspect the internals of the
     // helper.
     EXPECT_CALL(*api_mock_, DoCommand(cmd::kNoop, _, _))