Introduce ResourceRequesterInfo to abstract the requester of resource request

content/browser/loader/async_revalidation_manager.h

Index: content/browser/loader/async_revalidation_manager.h
diff --git a/content/browser/loader/async_revalidation_manager.h b/content/browser/loader/async_revalidation_manager.h
index cf6f6c57aef8c3e87df9230cc98511f925aaef9d..63bcb1c4fafec1c4d5a8972d7e76498d5418055d 100644
--- a/content/browser/loader/async_revalidation_manager.h
+++ b/content/browser/loader/async_revalidation_manager.h
@@ -37,7 +37,7 @@ class AsyncRevalidationManager {
 
   // Starts an async revalidation by copying |for_request|. |scheduler| must
   // remain valid until this object is destroyed.
-  void BeginAsyncRevalidation(const net::URLRequest& for_request,
+  void BeginAsyncRevalidation(net::URLRequest& for_request,

[yhirano, 2016/11/29 03:51:51]

Google C++ style guide requires a reference parameter to be const.
https://google.github.io/styleguide/cppguide.html#Reference_Arguments

[horo, 2016/11/29 04:38:31]

Done.

                               ResourceScheduler* scheduler);
 
   // Cancel all pending async revalidations that use ResourceContext.