Update other unittests to use newly added TestingBrowserProcess::GetGlobal().

chrome/test/base/testing_browser_process.cc

Index: chrome/test/base/testing_browser_process.cc
diff --git a/chrome/test/base/testing_browser_process.cc b/chrome/test/base/testing_browser_process.cc
index c52dc373401c152f67087f408c375d5b7926de4f..c5814373665e787f7b92743a668e1ef32e533edc 100644
--- a/chrome/test/base/testing_browser_process.cc
+++ b/chrome/test/base/testing_browser_process.cc
@@ -30,6 +30,11 @@
 #include "chrome/browser/policy/policy_service_stub.h"
 #endif  // defined(ENABLE_CONFIGURATION_POLICY)
 
+// static
+TestingBrowserProcess* TestingBrowserProcess::GetGlobal() {
+  return static_cast<TestingBrowserProcess*>(g_browser_process);
+}
+
 TestingBrowserProcess::TestingBrowserProcess()
     : notification_service_(content::NotificationService::Create()),
       module_ref_count_(0),