Execute all GL commands up to the put offset reported by a flush.

gpu/command_buffer/client/cmd_buffer_helper_test.cc

Index: gpu/command_buffer/client/cmd_buffer_helper_test.cc
===================================================================
--- gpu/command_buffer/client/cmd_buffer_helper_test.cc	(revision 91774)
+++ gpu/command_buffer/client/cmd_buffer_helper_test.cc	(working copy)
@@ -78,7 +78,7 @@
             Invoke(do_jump_command_.get(), &DoJumpCommand::DoCommand));
 
     gpu_scheduler_.reset(new GpuScheduler(
-        command_buffer_.get(), NULL, parser_, 1));
+        command_buffer_.get(), NULL, parser_));
     command_buffer_->SetPutOffsetChangeCallback(NewCallback(
         gpu_scheduler_.get(), &GpuScheduler::PutChanged));
 
@@ -185,10 +185,6 @@
   args2[1].value_float = 6.f;
   AddCommandWithExpect(error::kNoError, kUnusedCommandId, 2, args2);
 
-  helper_->Flush();
-  // Check that the engine has work to do now.
-  EXPECT_FALSE(parser_->IsEmpty());
-
   // Wait until it's done.
   helper_->Finish();
   // Check that the engine has no more work to do.