Create a Lite Page bit for previews and fallback to Lo-Fi

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 8a9d15b2872430fe09034040f12c07a0e735c998..2eca7590fdb2d5545c9dd490b95edeecfb31c5ef 100644
--- a/components/data_reduction_proxy/core/common/lofi_decider.h
+++ b/components/data_reduction_proxy/core/common/lofi_decider.h
@@ -20,9 +20,9 @@ class LoFiDecider {
  public:
   virtual ~LoFiDecider() {}
 
-  // Returns true when Lo-Fi mode is on for the given |request|. This means the
-  // Lo-Fi header should be added to the given request.
-  virtual bool IsUsingLoFiMode(const net::URLRequest& request) const = 0;
+  // Returns true when Lo-Fi Previews are on for the given |request|. This means
+  // the Lo-Fi header should be added to the given request.
+  virtual bool IsUsingLoFi(const net::URLRequest& request) const = 0;
 
   // Adds a previews-specific directive to the Chrome-Proxy-Accept-Transform
   // header if needed. If a slow page preview is triggered, adds "lite-page" or
@@ -35,7 +35,7 @@ class LoFiDecider {
   // |is_previews_disabled| is true.
   virtual void MaybeSetAcceptTransformHeader(
       const net::URLRequest& request,
-      bool is_previews_disabled,
+      bool are_previews_disabled,
       net::HttpRequestHeaders* headers) const = 0;
 
   // Returns true if |headers| contains the Chrome-Proxy-Accept-Transform