GTTF: Use a fresh TestingBrowserProcess for each test, part #1

chrome/browser/autocomplete/history_contents_provider_unittest.cc

Index: chrome/browser/autocomplete/history_contents_provider_unittest.cc
diff --git a/chrome/browser/autocomplete/history_contents_provider_unittest.cc b/chrome/browser/autocomplete/history_contents_provider_unittest.cc
index c9067eaea639f30c15302dd30a5533c163d2643b..eb6524b79f1a74de2f882a14b7bc6a051065d426 100644
--- a/chrome/browser/autocomplete/history_contents_provider_unittest.cc
+++ b/chrome/browser/autocomplete/history_contents_provider_unittest.cc
@@ -12,6 +12,8 @@
 #include "chrome/browser/bookmarks/bookmark_model.h"
 #include "chrome/browser/browser_thread.h"
 #include "chrome/browser/history/history.h"
+#include "chrome/test/testing_browser_process.h"
+#include "chrome/test/testing_browser_process_test.h"
 #include "chrome/test/testing_profile.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ -30,7 +32,7 @@ struct TestEntry {
   {"http://www.google.com/3", "PAGETHREE 3", "BAR some hello world for you"},
 };
 
-class HistoryContentsProviderTest : public testing::Test,
+class HistoryContentsProviderTest : public TestingBrowserProcessTest,
                                     public ACProviderListener {
  public:
   HistoryContentsProviderTest()