Move GUID utils to src/chrome/common.

chrome/browser/autofill/autofill_profile.cc

Index: chrome/browser/autofill/autofill_profile.cc
diff --git a/chrome/browser/autofill/autofill_profile.cc b/chrome/browser/autofill/autofill_profile.cc
index 388b2192bb1b9e84891f724c551d28e32a40759c..52acb899248b1360654a47e3b64107efe8907e9e 100644
--- a/chrome/browser/autofill/autofill_profile.cc
+++ b/chrome/browser/autofill/autofill_profile.cc
@@ -11,6 +11,7 @@
 #include <vector>
 
 #include "app/l10n_util.h"
+#include "base/guid.h"
 #include "base/stl_util-inl.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/autofill/address.h"
@@ -19,7 +20,6 @@
 #include "chrome/browser/autofill/fax_number.h"
 #include "chrome/browser/autofill/home_address.h"
 #include "chrome/browser/autofill/home_phone_number.h"
-#include "chrome/browser/guid.h"
 #include "grit/generated_resources.h"
 
 namespace {
@@ -39,7 +39,7 @@ AutoFillProfile::AutoFillProfile(const std::string& guid)
 }
 
 AutoFillProfile::AutoFillProfile()
-    : guid_(guid::GenerateGUID()) {
+    : guid_(base::GenerateGUID()) {
   InitPersonalInfo(&personal_info_);
 }