Move extensions bindings code out of //chrome

extensions/renderer/id_generator_custom_bindings.cc

Index: extensions/renderer/id_generator_custom_bindings.cc
diff --git a/chrome/renderer/extensions/id_generator_custom_bindings.cc b/extensions/renderer/id_generator_custom_bindings.cc
similarity index 54%
rename from chrome/renderer/extensions/id_generator_custom_bindings.cc
rename to extensions/renderer/id_generator_custom_bindings.cc
index 42c7d83e715636a7c64bd13b5c41eddf21bcb95d..aefc4138788ec01622f26b091b64f555e83cb7d2 100644
--- a/chrome/renderer/extensions/id_generator_custom_bindings.cc
+++ b/extensions/renderer/id_generator_custom_bindings.cc
@@ -2,19 +2,17 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "chrome/renderer/extensions/id_generator_custom_bindings.h"
+#include "extensions/renderer/id_generator_custom_bindings.h"
 
 #include "base/bind.h"
-#include "grit/renderer_resources.h"
-#include "v8/include/v8.h"
 
 namespace extensions {
 
-IdGeneratorCustomBindings::IdGeneratorCustomBindings(Dispatcher* dispatcher,
-                                                     ChromeV8Context* context)
-    : ChromeV8Extension(dispatcher, context) {
-  RouteFunction("GetNextId", base::Bind(&IdGeneratorCustomBindings::GetNextId,
-                                        base::Unretained(this)));
+IdGeneratorCustomBindings::IdGeneratorCustomBindings(ScriptContext* context)
+    : ObjectBackedNativeHandler(context) {
+  RouteFunction("GetNextId",
+                base::Bind(&IdGeneratorCustomBindings::GetNextId,
+                           base::Unretained(this)));
 }
 
 void IdGeneratorCustomBindings::GetNextId(