Move webkit/quota files to webkit/browser/quota or webkit/common/quota

webkit/common/webkit_common.gypi

Index: webkit/common/webkit_common.gypi
diff --git a/webkit/common/webkit_common.gypi b/webkit/common/webkit_common.gypi
index 27851812f76ef6ae6d31505fdef4482eb98e8f01..7ca086a41cf9ef19053e913590d37a3fa25cefdb 100644
--- a/webkit/common/webkit_common.gypi
+++ b/webkit/common/webkit_common.gypi
@@ -6,6 +6,7 @@
   'includes': [
     '../common/database/webkit_common_database.gypi',
     '../common/fileapi/webkit_common_fileapi.gypi',
+    '../common/quota/webkit_common_quota.gypi',
   ],
   # TODO(michaeln): Have webkit_browser target and deprecate old gypis like
   # webkit_storage.gypi.
@@ -13,6 +14,7 @@
     'webkit_common_storage_sources': [
       '<@(webkit_common_database_sources)',
       '<@(webkit_common_fileapi_sources)',
+      '<@(webkit_common_quota_sources)',
     ],
   },
 }