RequestPeer cleanup: remove unused overrides

Yet another preliminary cleanups.

BUG=507170

Review URL: https://codereview.chromium.org/1553423002

Cr-Commit-Position: refs/heads/master@{#367769}
diff --git a/content/child/resource_dispatcher_unittest.cc b/content/child/resource_dispatcher_unittest.cc
index 86391a3..aafa029c 100644
--- a/content/child/resource_dispatcher_unittest.cc
+++ b/content/child/resource_dispatcher_unittest.cc
@@ -725,8 +725,7 @@
   // FIXME
 }
 
-class TimeConversionTest : public ResourceDispatcherTest,
-                           public RequestPeer {
+class TimeConversionTest : public ResourceDispatcherTest {
  public:
   bool Send(IPC::Message* msg) override {
     delete msg;
@@ -742,38 +741,6 @@
         ResourceMsg_ReceivedResponse(0, response_head));
   }
 
-  // RequestPeer methods.
-  void OnUploadProgress(uint64_t position, uint64_t size) override {}
-
-  bool OnReceivedRedirect(const net::RedirectInfo& redirect_info,
-                          const ResourceResponseInfo& info) override {
-    return true;
-  }
-
-  void OnReceivedResponse(const ResourceResponseInfo& info) override {
-    response_info_ = info;
-  }
-
-  void OnDownloadedData(int len, int encoded_data_length) override {}
-
-  void OnReceivedData(scoped_ptr<ReceivedData> data) override {}
-
-  void OnCompletedRequest(int error_code,
-                          bool was_ignored_by_handler,
-                          bool stale_copy_in_cache,
-                          const std::string& security_info,
-                          const base::TimeTicks& completion_time,
-                          int64_t total_transfer_size) override {}
-
-  void OnReceivedCompletedResponse(const ResourceResponseInfo& info,
-                                   scoped_ptr<ReceivedData> data,
-                                   int error_code,
-                                   bool was_ignored_by_handler,
-                                   bool stale_copy_in_cache,
-                                   const std::string& security_info,
-                                   const base::TimeTicks& completion_time,
-                                   int64_t total_transfer_size) override {}
-
   const ResourceResponseInfo& response_info() const { return response_info_; }
 
  private: