Move c/c/e/extension_set to top-level extensions/

chrome/renderer/extensions/chrome_v8_extension.cc

Index: chrome/renderer/extensions/chrome_v8_extension.cc
diff --git a/chrome/renderer/extensions/chrome_v8_extension.cc b/chrome/renderer/extensions/chrome_v8_extension.cc
index 02d287fe5178128d033a01867a16f13e187e0613..56fe379a6f96eb4dc8ae2e524cb52fffeb89cac1 100644
--- a/chrome/renderer/extensions/chrome_v8_extension.cc
+++ b/chrome/renderer/extensions/chrome_v8_extension.cc
@@ -4,24 +4,10 @@
 
 #include "chrome/renderer/extensions/chrome_v8_extension.h"
 
-#include "base/lazy_instance.h"
 #include "base/logging.h"
-#include "base/strings/string_util.h"
-#include "base/strings/stringprintf.h"
-#include "chrome/common/extensions/extension_set.h"
 #include "chrome/renderer/extensions/chrome_v8_context.h"
 #include "chrome/renderer/extensions/dispatcher.h"
 #include "content/public/renderer/render_view.h"
-#include "extensions/common/extension.h"
-#include "extensions/common/extension_api.h"
-#include "third_party/WebKit/public/web/WebDocument.h"
-#include "third_party/WebKit/public/web/WebFrame.h"
-#include "third_party/WebKit/public/web/WebView.h"
-#include "ui/base/resource/resource_bundle.h"
-
-using blink::WebDocument;
-using blink::WebFrame;
-using blink::WebView;
 
 namespace extensions {