Reset the Lo-Fi main frame state when there is a new main frame request

components/data_reduction_proxy/core/common/lofi_decider.h

Index: components/data_reduction_proxy/core/common/lofi_decider.h
diff --git a/components/data_reduction_proxy/core/common/lofi_decider.h b/components/data_reduction_proxy/core/common/lofi_decider.h
index 6eb8e51dabb18aa6742a33cd6d7e79dd5c5f3485..3f0db84306049e08424a9f8339f624a18172e5c4 100644
--- a/components/data_reduction_proxy/core/common/lofi_decider.h
+++ b/components/data_reduction_proxy/core/common/lofi_decider.h
@@ -9,14 +9,11 @@
 
 namespace net {
 class HttpRequestHeaders;
-class ProxyServer;
 class URLRequest;
 }
 
 namespace data_reduction_proxy {
 
-class DataReductionProxyConfig;
-
 // Interface to determine if a request should be made for a low fidelity version
 // of the resource.
 class LoFiDecider {
@@ -31,13 +28,10 @@ class LoFiDecider {
   // |request| is using Lo-Fi mode, adds the "q=low" directive to the |headers|.
   // If the |request| is using Lo-Fi preview mode, and it is a main frame
   // request adds the "q=preview" and it is a main frame request directive to
-  // the |headers|. Only adds this header if the provided |proxy_server| is a
-  // data reduction proxy as identified by the given |config|.
+  // the |headers|.
   virtual bool MaybeAddLoFiDirectiveToHeaders(
       const net::URLRequest& request,
-      net::HttpRequestHeaders* headers,
-      const net::ProxyServer& proxy_server,
-      DataReductionProxyConfig* config) const = 0;
+      net::HttpRequestHeaders* headers) const = 0;
 };
 
 }  // namespace data_reduction_proxy