Instrument SourceStream using MemoryDumpProvider

net/url_request/url_request_job.cc

 // 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.
 
 #include "net/url_request/url_request_job.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
@@ skipping 123 matching lines @@
   // SourceStream implementation:
   int Read(IOBuffer* dest_buffer,
            int buffer_size,
            const CompletionCallback& callback) override {
     DCHECK(job_);
     return job_->ReadRawDataHelper(dest_buffer, buffer_size, callback);
   }
 
   std::string Description() const override { return std::string(); }
 
+  void DumpMemoryStats(
+      base::trace_event::ProcessMemoryDump* pmd,
+      const std::string& parent_dump_absolute_name) const override {}
+
  private:
   // It is safe to keep a raw pointer because |job_| owns the last stream which
   // indirectly owns |this|. Therefore, |job_| will not be destroyed when |this|
   // is alive.
   URLRequestJob* const job_;
 
   DISALLOW_COPY_AND_ASSIGN(URLRequestJobSourceStream);
 };
 
 URLRequestJob::URLRequestJob(URLRequest* request,
@@ skipping 199 matching lines @@
   request_->Cancel();
 }
 
 void URLRequestJob::NotifyURLRequestDestroyed() {
 }
 
 void URLRequestJob::GetConnectionAttempts(ConnectionAttempts* out) const {
   out->clear();
 }
 
+void URLRequestJob::DumpMemoryStats(
+    base::trace_event::ProcessMemoryDump* pmd,
+    const std::string& parent_dump_absolute_name) const {
+  if (source_stream_)
+    source_stream_->DumpMemoryStats(pmd, parent_dump_absolute_name);
+}
+
 // static
 GURL URLRequestJob::ComputeReferrerForRedirect(
     URLRequest::ReferrerPolicy policy,
     const GURL& original_referrer,
     const GURL& redirect_destination) {
   bool secure_referrer_but_insecure_destination =
       original_referrer.SchemeIsCryptographic() &&
       !redirect_destination.SchemeIsCryptographic();
   url::Origin referrer_origin(original_referrer);
   bool same_origin =
@@ skipping 474 matching lines @@
   int64_t total_sent_bytes = GetTotalSentBytes();
   DCHECK_GE(total_sent_bytes, last_notified_total_sent_bytes_);
   if (total_sent_bytes > last_notified_total_sent_bytes_) {
     network_delegate_->NotifyNetworkBytesSent(
         request_, total_sent_bytes - last_notified_total_sent_bytes_);
   }
   last_notified_total_sent_bytes_ = total_sent_bytes;
 }
 
 }  // namespace net