Add OVERRIDE to content/.

content/test/browser_test.h

Index: content/test/browser_test.h
diff --git a/content/test/browser_test.h b/content/test/browser_test.h
index 50a7f27d5e252a1b03c0c4a1068937bae7eb0352..8df4173fe6827b07002d27d412be0cd16889783c 100644
--- a/content/test/browser_test.h
+++ b/content/test/browser_test.h
@@ -21,15 +21,17 @@
 typedef ContentBrowserTest InProcessBrowserTest;
 #endif
 
+#include "base/compiler_specific.h"
+
 #define IN_PROC_BROWSER_TEST_(test_case_name, test_name, parent_class,\
                               parent_id)\
 class GTEST_TEST_CLASS_NAME_(test_case_name, test_name) : public parent_class {\
  public:\
   GTEST_TEST_CLASS_NAME_(test_case_name, test_name)() {}\
  protected:\
-  virtual void RunTestOnMainThread();\
+  virtual void RunTestOnMainThread() OVERRIDE;\
  private:\
-  virtual void TestBody() {}\
+  virtual void TestBody() OVERRIDE {}\
   static ::testing::TestInfo* const test_info_;\
   GTEST_DISALLOW_COPY_AND_ASSIGN_(\
       GTEST_TEST_CLASS_NAME_(test_case_name, test_name));\