Revert "Speculatively launch Service Workers on mouse/touch events. [3/5]"

chrome/browser/renderer_host/chrome_render_message_filter.h

Index: chrome/browser/renderer_host/chrome_render_message_filter.h
diff --git a/chrome/browser/renderer_host/chrome_render_message_filter.h b/chrome/browser/renderer_host/chrome_render_message_filter.h
index 2ed27b0ca720b5e24753a1e191d6b7da7d4a3fa3..7b2f29479d1c711b15b8550429bc985725787975 100644
--- a/chrome/browser/renderer_host/chrome_render_message_filter.h
+++ b/chrome/browser/renderer_host/chrome_render_message_filter.h
@@ -24,10 +24,6 @@ namespace chrome_browser_net {
 class Predictor;
 }
 
-namespace content {
-class ServiceWorkerContext;
-}
-
 namespace content_settings {
 class CookieSettings;
 }
@@ -44,10 +40,7 @@ class InfoMap;
 // process on the IPC thread.
 class ChromeRenderMessageFilter : public content::BrowserMessageFilter {
  public:
-  ChromeRenderMessageFilter(
-      int render_process_id,
-      Profile* profile,
-      content::ServiceWorkerContext* service_worker_context);
+  ChromeRenderMessageFilter(int render_process_id, Profile* profile);
 
   // content::BrowserMessageFilter methods:
   bool OnMessageReceived(const IPC::Message& message) override;
@@ -144,9 +137,6 @@ class ChromeRenderMessageFilter : public content::BrowserMessageFilter {
   // Used to look up permissions at database creation time.
   scoped_refptr<content_settings::CookieSettings> cookie_settings_;
 
-  // Used to start Service Workers for navigation hints.
-  content::ServiceWorkerContext* service_worker_context_;
-
   DISALLOW_COPY_AND_ASSIGN(ChromeRenderMessageFilter);
 };