Move GUID utils to src/chrome/common.

chrome/browser/autofill/personal_data_manager_mac.mm

Index: chrome/browser/autofill/personal_data_manager_mac.mm
diff --git a/chrome/browser/autofill/personal_data_manager_mac.mm b/chrome/browser/autofill/personal_data_manager_mac.mm
index 4a9fb25a88da51d68fd24e27762d49a68efc11e2..c4bb79590ea24b0d3aaf1c96806cec8d1dc9af70 100644
--- a/chrome/browser/autofill/personal_data_manager_mac.mm
+++ b/chrome/browser/autofill/personal_data_manager_mac.mm
@@ -7,13 +7,13 @@
 #import <AddressBook/AddressBook.h>
 
 #include "app/l10n_util_mac.h"
+#include "base/guid.h"
 #include "base/logging.h"
 #include "base/scoped_ptr.h"
 #include "base/scoped_vector.h"
 #include "base/sys_string_conversions.h"
 #include "chrome/browser/autofill/autofill_profile.h"
 #include "chrome/browser/autofill/phone_number.h"
-#include "chrome/browser/guid.h"
 #include "grit/generated_resources.h"
 
 namespace {
@@ -80,7 +80,7 @@ void AuxiliaryProfilesImpl::GetAddressBookMeCard() {
       std::string guid = base::SysNSStringToUTF8(
           [me valueForProperty:kABUIDProperty]).substr(0, kGUIDLength);
       scoped_ptr<AutoFillProfile> profile(new AutoFillProfile(guid));
-      DCHECK(guid::IsValidGUID(profile->guid()));
+      DCHECK(base::IsValidGUID(profile->guid()));
 
       // Fill in name and company information.
       GetAddressBookNames(me, addressLabelRaw, profile.get());