Improve memory estimate of SpdySessionPool in net/ MemoryDumpProvider.

net/spdy/spdy_stream.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/spdy/spdy_stream.h"
 
 #include <algorithm>
 #include <limits>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_piece.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/values.h"
 #include "net/log/net_log.h"
 #include "net/log/net_log_capture_mode.h"
 #include "net/log/net_log_event_type.h"
+#include "net/spdy/platform/api/spdy_estimate_memory_usage.h"
 #include "net/spdy/spdy_buffer_producer.h"
 #include "net/spdy/spdy_http_utils.h"
 #include "net/spdy/spdy_session.h"
 
 namespace net {
 
 namespace {
 
 enum StatusHeader {
   STATUS_HEADER_NOT_INCLUDED = 0,
@@ skipping 69 matching lines @@
 
   std::unique_ptr<SpdyBuffer> ProduceBuffer() override {
     if (!stream_.get()) {
       NOTREACHED();
       return std::unique_ptr<SpdyBuffer>();
     }
     DCHECK_GT(stream_->stream_id(), 0u);
     return std::unique_ptr<SpdyBuffer>(
         new SpdyBuffer(stream_->ProduceHeadersFrame()));
   }
+  size_t EstimateMemoryUsage() const override { return 0; }
 
  private:
   const base::WeakPtr<SpdyStream> stream_;
 };
 
 SpdyStream::SpdyStream(SpdyStreamType type,
                        const base::WeakPtr<SpdySession>& session,
                        const GURL& url,
                        RequestPriority priority,
                        int32_t initial_send_window_size,
@@ skipping 688 matching lines @@
   if (type_ == SPDY_PUSH_STREAM) {
     load_timing_info->push_start = recv_first_byte_time_;
     bool done_receiving = IsClosed() || (!pending_recv_data_.empty() &&
                                          !pending_recv_data_.back());
     if (done_receiving)
       load_timing_info->push_end = recv_last_byte_time_;
   }
   return result;
 }
 
+size_t SpdyStream::EstimateMemoryUsage() const {
+  // TODO(xunjieli): https://crbug.com/669108. Estimate |pending_send_data_|
+  // once scoped_refptr support is in.
+  return SpdyEstimateMemoryUsage(url_) +
+         SpdyEstimateMemoryUsage(request_headers_) +
+         SpdyEstimateMemoryUsage(url_from_header_block_) +
+         SpdyEstimateMemoryUsage(pending_recv_data_) +
+         SpdyEstimateMemoryUsage(response_headers_);
+}
+
 void SpdyStream::UpdateHistograms() {
   // We need at least the receive timers to be filled in, as otherwise
   // metrics can be bogus.
   if (recv_first_byte_time_.is_null() || recv_last_byte_time_.is_null())
     return;
 
   base::TimeTicks effective_send_time;
   if (type_ == SPDY_PUSH_STREAM) {
     // Push streams shouldn't have |send_time_| filled in.
     DCHECK(send_time_.is_null());
@@ skipping 108 matching lines @@
       description = base::StringPrintf("Unknown state 0x%08X (%u)", state,
                                        state);
       break;
   }
   return description;
 }
 
 #undef STATE_CASE
 
 }  // namespace net