Cleanup: Remove more unneeded browser_thread.h includes.

chrome/browser/nacl_host/test/gdb_debug_stub_browsertest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/command_line.h"
 #include "base/path_service.h"
 #include "base/process_util.h"
 #include "base/string_number_conversions.h"
 #include "chrome/browser/nacl_host/nacl_browser.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/test/ppapi/ppapi_test.h"
-#include "content/public/test/test_browser_thread.h"
 #include "content/public/test/test_utils.h"
 
 class NaClGdbDebugStubTest : public PPAPINaClNewlibTest {
  public:
   NaClGdbDebugStubTest() {
   }
 
   void SetUpCommandLine(CommandLine* command_line) OVERRIDE;
 
   void StartTestScript(base::ProcessHandle* test_process,
                        std::string test_name, int debug_stub_port);
-
   void RunDebugStubTest(const std::string& nacl_module,
                         const std::string& test_name);
 };
 
 void NaClGdbDebugStubTest::SetUpCommandLine(CommandLine* command_line) {
   PPAPINaClNewlibTest::SetUpCommandLine(command_line);
   command_line->AppendSwitch(switches::kEnableNaClDebug);
 }
 
 void NaClGdbDebugStubTest::StartTestScript(base::ProcessHandle* test_process,
@@ skipping 34 matching lines @@
 # define MAYBE_Breakpoint Breakpoint
 #endif
 
 IN_PROC_BROWSER_TEST_F(NaClGdbDebugStubTest, MAYBE_Empty) {
   RunDebugStubTest("Empty", "continue");
 }
 
 IN_PROC_BROWSER_TEST_F(NaClGdbDebugStubTest, MAYBE_Breakpoint) {
   RunDebugStubTest("Empty", "breakpoint");
 }