Move/replace/rename URL-based extension getters from ExtensionService to/in ExtensionSet.

chrome/renderer/extensions/app_bindings.cc

Index: chrome/renderer/extensions/app_bindings.cc
diff --git a/chrome/renderer/extensions/app_bindings.cc b/chrome/renderer/extensions/app_bindings.cc
index 2b3faab77b7096d17e462ab8f7aba57ec80fb962..e502ce65c856dcf830b40fce6499a1bc690bcc61 100644
--- a/chrome/renderer/extensions/app_bindings.cc
+++ b/chrome/renderer/extensions/app_bindings.cc
@@ -188,9 +188,10 @@ v8::Handle<v8::Value> AppBindingsHandler::GetDetailsForFrame(
 
 v8::Handle<v8::Value> AppBindingsHandler::GetDetailsForFrameImpl(
     WebFrame* frame) {
-  const ::Extension* extension = dispatcher_->extensions()->GetByURL(
-      ExtensionURLInfo(frame->document().securityOrigin(),
-                       frame->document().url()));
+  const ::Extension* extension =
+      dispatcher_->extensions()->GetExtensionOrAppByURL(ExtensionURLInfo(
+          frame->document().securityOrigin(),
+          frame->document().url()));
   if (!extension)
     return v8::Null();