Split BrowserThread into public API and private implementation, step 1.

content/browser/geolocation/gps_location_provider_unittest_linux.cc

Index: content/browser/geolocation/gps_location_provider_unittest_linux.cc
diff --git a/content/browser/geolocation/gps_location_provider_unittest_linux.cc b/content/browser/geolocation/gps_location_provider_unittest_linux.cc
index f7bbd970ff1ac61fbfaaa7a663a8fcc1d6240572..3116cf3e4bb378ec251cd511273d9744374d8f86 100644
--- a/content/browser/geolocation/gps_location_provider_unittest_linux.cc
+++ b/content/browser/geolocation/gps_location_provider_unittest_linux.cc
@@ -2,9 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "content/browser/browser_thread.h"
 #include "content/browser/geolocation/gps_location_provider_linux.h"
 #include "content/browser/geolocation/libgps_wrapper_linux.h"
+#include "content/test/test_browser_thread.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 struct gps_data_t {
@@ -66,7 +66,7 @@ class GeolocationGpsProviderLinuxTests : public testing::Test {
 
  protected:
   MessageLoop message_loop_;
-  BrowserThread ui_thread_;
+  content::TestBrowserThread ui_thread_;
   LocaionProviderListenerLoopQuitter location_listener_;
   scoped_ptr<GpsLocationProviderLinux> provider_;
 };