Filter webrtc::RTCStats by whitelist in surfacing them to Blink.

content/renderer/media/webrtc/rtc_stats.h

 // Copyright (c) 2016 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.
 
 #ifndef CONTENT_RENDERER_MEDIA_WEBRTC_RTC_STATS_H_
 #define CONTENT_RENDERER_MEDIA_WEBRTC_RTC_STATS_H_
 
 #include "base/memory/ref_counted.h"
+#include "content/common/content_export.h"
 #include "third_party/WebKit/public/platform/WebRTCStats.h"
 #include "third_party/webrtc/api/stats/rtcstats.h"
 #include "third_party/webrtc/api/stats/rtcstatsreport.h"
 
 namespace content {
 
-class RTCStatsReport : public blink::WebRTCStatsReport {
+class CONTENT_EXPORT RTCStatsReport : public blink::WebRTCStatsReport {
  public:
   RTCStatsReport(
       const scoped_refptr<const webrtc::RTCStatsReport>& stats_report);
   ~RTCStatsReport() override;
   std::unique_ptr<blink::WebRTCStatsReport> copyHandle() const override;
 
   std::unique_ptr<blink::WebRTCStats> getStats(
       blink::WebString id) const override;
   std::unique_ptr<blink::WebRTCStats> next() override;
 
  private:
   const scoped_refptr<const webrtc::RTCStatsReport> stats_report_;
   webrtc::RTCStatsReport::ConstIterator it_;
   const webrtc::RTCStatsReport::ConstIterator end_;
 };
 
-class RTCStats : public blink::WebRTCStats {
+class CONTENT_EXPORT RTCStats : public blink::WebRTCStats {
  public:
   RTCStats(const scoped_refptr<const webrtc::RTCStatsReport>& stats_owner,
            const webrtc::RTCStats* stats);
   ~RTCStats() override;
 
   blink::WebString id() const override;
   blink::WebString type() const override;
   double timestamp() const override;
 
   size_t membersCount() const override;
   std::unique_ptr<blink::WebRTCStatsMember> getMember(size_t i) const override;
 
  private:
   // Reference to keep the report that owns |stats_| alive.
   const scoped_refptr<const webrtc::RTCStatsReport> stats_owner_;
   // Pointer to a stats object that is owned by |stats_owner_|.
   const webrtc::RTCStats* const stats_;
   // Members of the |stats_| object, equivalent to |stats_->Members()|.
   const std::vector<const webrtc::RTCStatsMemberInterface*> stats_members_;
 };
 
-class RTCStatsMember : public blink::WebRTCStatsMember {
+class CONTENT_EXPORT RTCStatsMember : public blink::WebRTCStatsMember {
  public:
   RTCStatsMember(const scoped_refptr<const webrtc::RTCStatsReport>& stats_owner,
                  const webrtc::RTCStatsMemberInterface* member);
   ~RTCStatsMember() override;
 
   blink::WebString name() const override;
   blink::WebRTCStatsMemberType type() const override;
   bool isDefined() const override;
 
   bool valueBool() const override;
@@ skipping 11 matching lines @@
   blink::WebVector<double> valueSequenceDouble() const override;
   blink::WebVector<blink::WebString> valueSequenceString() const override;
 
  private:
   // Reference to keep the report that owns |member_|'s stats object alive.
   const scoped_refptr<const webrtc::RTCStatsReport> stats_owner_;
   // Pointer to member of a stats object that is owned by |stats_owner_|.
   const webrtc::RTCStatsMemberInterface* const member_;
 };
 
+CONTENT_EXPORT void WhitelistStatsForTesting(const char* type);
+
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_WEBRTC_RTC_STATS_H_