Use explicit WebString <-> string16 conversion methods in storage API files (2)

content/renderer/dom_storage/local_storage_cached_area.cc

Index: content/renderer/dom_storage/local_storage_cached_area.cc
diff --git a/content/renderer/dom_storage/local_storage_cached_area.cc b/content/renderer/dom_storage/local_storage_cached_area.cc
index 379394c4f2a39dc079d7021717e26460668c4cba..f258064a8f1b88703b8dbcd489ed0f3f6e88f6c8 100644
--- a/content/renderer/dom_storage/local_storage_cached_area.cc
+++ b/content/renderer/dom_storage/local_storage_cached_area.cc
@@ -207,8 +207,9 @@ void LocalStorageCachedArea::KeyDeleted(const std::vector<uint8_t>& key,
   }
 
   blink::WebStorageEventDispatcher::dispatchLocalStorageEvent(
-      key_string, Uint8VectorToString16(old_value), base::NullableString16(),
-      origin_.GetURL(), page_url, originating_area);
+      blink::WebString::fromUTF16(key_string),
+      blink::WebString::fromUTF16(Uint8VectorToString16(old_value)),
+      blink::WebString(), origin_.GetURL(), page_url, originating_area);
 }
 
 void LocalStorageCachedArea::AllDeleted(const std::string& source) {
@@ -238,8 +239,8 @@ void LocalStorageCachedArea::AllDeleted(const std::string& source) {
   }
 
   blink::WebStorageEventDispatcher::dispatchLocalStorageEvent(
-      base::NullableString16(), base::NullableString16(),
-      base::NullableString16(), origin_.GetURL(), page_url, originating_area);
+      blink::WebString(), blink::WebString(), blink::WebString(),
+      origin_.GetURL(), page_url, originating_area);
 }
 
 void LocalStorageCachedArea::KeyAddedOrChanged(
@@ -274,7 +275,9 @@ void LocalStorageCachedArea::KeyAddedOrChanged(
   }
 
   blink::WebStorageEventDispatcher::dispatchLocalStorageEvent(
-      key_string, old_value, new_value_string, origin_.GetURL(), page_url,
+      blink::WebString::fromUTF16(key_string),
+      blink::WebString::fromUTF16(old_value),
+      blink::WebString::fromUTF16(new_value_string), origin_.GetURL(), page_url,
       originating_area);
 }