Remove net::Filter direct dependency on IsSupportedMimeType

net/base/network_delegate.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NET_BASE_NETWORK_DELEGATE_H_
 #define NET_BASE_NETWORK_DELEGATE_H_
 
 #include <string>
 
 #include "base/callback.h"
@@ skipping 91 matching lines @@
                      const base::FilePath& path) const;
   bool CanThrottleRequest(const URLRequest& request) const;
   bool CanEnablePrivacyMode(const GURL& url,
                             const GURL& first_party_for_cookies) const;
 
   bool CancelURLRequestWithPolicyViolatingReferrerHeader(
       const URLRequest& request,
       const GURL& target_url,
       const GURL& referrer_url) const;
 
+  // If we get a response with GZIP encoding, we check if the response mime
+  // type is one of the supported mime types. If it is supported, we will
+  // decompress response to allow it to be displayed directly in browser,
+  // otherwise we'll leave it compressed.
+  bool IsSupportedMimeType(const std::string& mime_type) const;
+
  private:
   // This is the interface for subclasses of NetworkDelegate to implement. These
   // member functions will be called by the respective public notification
   // member function, which will perform basic sanity checking.
 
   // Called before a request is sent. Allows the delegate to rewrite the URL
   // being fetched by modifying |new_url|. If set, the URL must be valid. The
   // reference fragment from the original URL is not automatically appended to
   // |new_url|; callers are responsible for copying the reference fragment if
   // desired.
@@ skipping 146 matching lines @@
 
   // Called when the |referrer_url| for requesting |target_url| during handling
   // of the |request| is does not comply with the referrer policy (e.g. a
   // secure referrer for an insecure initial target).
   // Returns true if the request should be cancelled. Otherwise, the referrer
   // header is stripped from the request.
   virtual bool OnCancelURLRequestWithPolicyViolatingReferrerHeader(
       const URLRequest& request,
       const GURL& target_url,
       const GURL& referrer_url) const = 0;
+
+  virtual bool OnIsSupportedMimeType(const std::string& mime_type) const = 0;
 };
 
 }  // namespace net
 
 #endif  // NET_BASE_NETWORK_DELEGATE_H_