[ON HOLD] Implement pull-based design for content decoding

net/url_request/url_request_http_job.h

Index: net/url_request/url_request_http_job.h
diff --git a/net/url_request/url_request_http_job.h b/net/url_request/url_request_http_job.h
index a15604f6b88e31ecb06e2a1555410a12c9cf194c..d44265181252d355dc18466f30a8e6ff0f163b73 100644
--- a/net/url_request/url_request_http_job.h
+++ b/net/url_request/url_request_http_job.h
@@ -22,7 +22,6 @@
 #include "net/base/net_export.h"
 #include "net/base/sdch_manager.h"
 #include "net/cookies/cookie_store.h"
-#include "net/filter/filter.h"
 #include "net/http/http_request_info.h"
 #include "net/socket/connection_attempts.h"
 #include "net/url_request/url_request_backoff_manager.h"
@@ -74,8 +73,6 @@ class NET_EXPORT_PRIVATE URLRequestHttpJob : public URLRequestJob {
 
   typedef base::RefCountedData<bool> SharedBoolean;
 
-  class HttpFilterContext;
-
   // Shadows URLRequestJob's version of this method.
   void NotifyBeforeNetworkStart(bool* defer);
 
@@ -127,7 +124,7 @@ class NET_EXPORT_PRIVATE URLRequestHttpJob : public URLRequestJob {
   bool GetResponseCookies(std::vector<std::string>* cookies) override;
   int GetResponseCode() const override;
   void PopulateNetErrorDetails(NetErrorDetails* details) const override;
-  Filter* SetupFilter() const override;
+  std::unique_ptr<StreamSource> SetupSource() override;
   bool CopyFragmentOnRedirect(const GURL& location) const override;
   bool IsSafeRedirect(const GURL& location) override;
   bool NeedsAuth() override;
@@ -153,7 +150,6 @@ class NET_EXPORT_PRIVATE URLRequestHttpJob : public URLRequestJob {
   void ResetTimer();
 
   void UpdatePacketReadTimes() override;
-  void RecordPacketStats(FilterContext::StatisticSelector statistic) const;
 
   // Starts the transaction if extensions using the webrequest API do not
   // object.
@@ -248,8 +244,6 @@ class NET_EXPORT_PRIVATE URLRequestHttpJob : public URLRequestJob {
   // When the transaction finished reading the request headers.
   base::TimeTicks receive_headers_end_;
 
-  std::unique_ptr<HttpFilterContext> filter_context_;
-
   CompletionCallback on_headers_received_callback_;
 
   // We allow the network delegate to modify a copy of the response headers.