Improve memory estimate of SpdySessionPool in net/ MemoryDumpProvider.

net/spdy/spdy_framer.cc

Index: net/spdy/spdy_framer.cc
diff --git a/net/spdy/spdy_framer.cc b/net/spdy/spdy_framer.cc
index 85135d564fd1e3d204b63d90d6c11787562955c7..90200d8f2ee3bfbb4dcc1dc17eb2c4e31a5ce3d6 100644
--- a/net/spdy/spdy_framer.cc
+++ b/net/spdy/spdy_framer.cc
@@ -28,6 +28,7 @@
 #include "net/spdy/hpack/hpack_decoder2.h"
 #include "net/spdy/hpack/hpack_decoder3.h"
 #include "net/spdy/http2_frame_decoder_adapter.h"
+#include "net/spdy/platform/api/spdy_estimate_memory_usage.h"
 #include "net/spdy/spdy_bitmasks.h"
 #include "net/spdy/spdy_bug_tracker.h"
 #include "net/spdy/spdy_flags.h"
@@ -563,6 +564,10 @@ void SpdyFramer::CharBuffer::Rewind() {
   len_ = 0;
 }
 
+size_t SpdyFramer::CharBuffer::EstimateMemoryUsage() const {
+  return capacity_;
+}
+
 SpdyFramer::SpdySettingsScratch::SpdySettingsScratch()
     : buffer(8), last_setting_id(-1) {}
 
@@ -571,6 +576,10 @@ void SpdyFramer::SpdySettingsScratch::Reset() {
   last_setting_id = -1;
 }
 
+size_t SpdyFramer::SpdySettingsScratch::EstimateMemoryUsage() const {
+  return SpdyEstimateMemoryUsage(buffer);
+}
+
 SpdyFrameType SpdyFramer::ValidateFrameHeader(bool is_control_frame,
                                               uint8_t frame_type_field,
                                               size_t payload_length_field) {
@@ -2352,6 +2361,15 @@ void SpdyFramer::SetEncoderHeaderTableDebugVisitor(
   GetHpackEncoder()->SetHeaderTableDebugVisitor(std::move(visitor));
 }
 
+size_t SpdyFramer::EstimateMemoryUsage() const {
+  return SpdyEstimateMemoryUsage(current_frame_buffer_) +
+         SpdyEstimateMemoryUsage(settings_scratch_) +
+         SpdyEstimateMemoryUsage(altsvc_scratch_) +
+         SpdyEstimateMemoryUsage(hpack_encoder_) +
+         SpdyEstimateMemoryUsage(hpack_decoder_) +
+         SpdyEstimateMemoryUsage(decoder_adapter_);
+}
+
 void SpdyFramer::UpdateHeaderEncoderTableSize(uint32_t value) {
   GetHpackEncoder()->ApplyHeaderTableSizeSetting(value);
 }