Switch ChromeTestSuite to the same convention as ContentTestSuite:

chrome/browser/renderer_host/web_cache_manager_unittest.cc

Index: chrome/browser/renderer_host/web_cache_manager_unittest.cc
diff --git a/chrome/browser/renderer_host/web_cache_manager_unittest.cc b/chrome/browser/renderer_host/web_cache_manager_unittest.cc
index dbb56c730ad4e41545257ceb00ba98966d0a0d60..11b5b1388bd7ab882368c1093755deb4f0b165b5 100644
--- a/chrome/browser/renderer_host/web_cache_manager_unittest.cc
+++ b/chrome/browser/renderer_host/web_cache_manager_unittest.cc
@@ -6,7 +6,6 @@
 
 #include "base/message_loop.h"
 #include "chrome/browser/renderer_host/web_cache_manager.h"
-#include "chrome/test/base/testing_browser_process_test.h"
 #include "content/browser/browser_thread.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ -14,7 +13,7 @@ using base::Time;
 using base::TimeDelta;
 using WebKit::WebCache;
 
-class WebCacheManagerTest : public TestingBrowserProcessTest {
+class WebCacheManagerTest : public testing::Test {
  protected:
   typedef WebCacheManager::StatsMap StatsMap;
   typedef WebCacheManager::Allocation Allocation;