Move GUID utils to src/chrome/common.

chrome/browser/sync/glue/autofill_change_processor.cc

Index: chrome/browser/sync/glue/autofill_change_processor.cc
diff --git a/chrome/browser/sync/glue/autofill_change_processor.cc b/chrome/browser/sync/glue/autofill_change_processor.cc
index eed58fcb4798e782f771147eaadec84e00ef70d0..9191166467f8e75b368883df66fa3080947fdd2d 100644
--- a/chrome/browser/sync/glue/autofill_change_processor.cc
+++ b/chrome/browser/sync/glue/autofill_change_processor.cc
@@ -7,9 +7,9 @@
 #include <string>
 #include <vector>
 
+#include "base/guid.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
-#include "chrome/browser/guid.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/autofill/personal_data_manager.h"
 #include "chrome/browser/sync/glue/autofill_change_processor2.h"
@@ -338,7 +338,7 @@ void AutofillChangeProcessor::ApplySyncAutofillProfileChange(
 
   switch (action) {
     case sync_api::SyncManager::ChangeRecord::ACTION_ADD: {
-      std::string guid(guid::GenerateGUID());
+      std::string guid(base::GenerateGUID());
       scoped_ptr<AutoFillProfile> p(new AutoFillProfile);
       p->set_guid(guid);
       AutofillModelAssociator::FillProfileWithServerData(p.get(),