Add virtual and OVERRIDE to base/ implementation files

base/process_util_unittest.cc

Index: base/process_util_unittest.cc
diff --git a/base/process_util_unittest.cc b/base/process_util_unittest.cc
index 8d26375fe46b64914fc3170e4262800fba8712b7..6a9e7dbecb5b7891e8fee70b0712aacd33fd292e 100644
--- a/base/process_util_unittest.cc
+++ b/base/process_util_unittest.cc
@@ -939,12 +939,12 @@ class OutOfMemoryDeathTest : public testing::Test {
         signed_test_size_(std::numeric_limits<ssize_t>::max()) {
   }
 
-  virtual void SetUp() {
+  virtual void SetUp() OVERRIDE {
 #if defined(USE_TCMALLOC)

[jar (doing other things), 2012/04/05 21:11:30]

nit: can we move line 943 to 941, and line 949 to line 951?

This ifdef crossing declaration boundaries are really painful.

     tc_set_new_mode(1);
   }
 
-  virtual void TearDown() {
+  virtual void TearDown() OVERRIDE {
     tc_set_new_mode(0);
 #endif  // defined(USE_TCMALLOC)
   }