content: Use empty() to see if name is not empty.

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Review URL: https://chromiumcodereview.appspot.com/10958008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@157694 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index 635465b7c..48d5fe1 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -3812,7 +3812,7 @@
 
   string16 name;
   if (frame_tree->GetString(content::kFrameTreeNodeNameKey, &name) &&
-      name != string16()) {
+      !name.empty()) {
     frame->setName(name);
   }