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

gpu/command_buffer/service/mocks.cc

Index: gpu/command_buffer/service/mocks.cc
===================================================================
--- gpu/command_buffer/service/mocks.cc	(revision 92876)
+++ gpu/command_buffer/service/mocks.cc	(working copy)
@@ -27,25 +27,6 @@
   engine_->set_token(args->token);
 }
 
-SpecializedDoCommandAsyncAPIMock::SpecializedDoCommandAsyncAPIMock() {}
-
-SpecializedDoCommandAsyncAPIMock::~SpecializedDoCommandAsyncAPIMock() {}
-
-error::Error SpecializedDoCommandAsyncAPIMock::DoCommand(
-    unsigned int command,
-    unsigned int arg_count,
-    const void* cmd_data) {
-  if (command == kTestQuantumCommand) {
-    // Surpass the GpuScheduler scheduling quantum.
-    base::TimeTicks start_time = base::TimeTicks::Now();
-    while ((base::TimeTicks::Now() - start_time).InMicroseconds() <
-           GpuScheduler::kMinimumSchedulerQuantumMicros) {
-      base::PlatformThread::Sleep(1);
-    }
-  }
-  return AsyncAPIMock::DoCommand(command, arg_count, cmd_data);
-}
-
 namespace gles2 {
 
 MockShaderTranslator::MockShaderTranslator() {}