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

third_party/WebKit/public/platform/WebRTCStats.h

Index: third_party/WebKit/public/platform/WebRTCStats.h
diff --git a/third_party/WebKit/public/platform/WebRTCStats.h b/third_party/WebKit/public/platform/WebRTCStats.h
index 9ceab9673bde1d1c938e5de4d4b4d5076b816ced..02537f85d248e162689b712ed4d28575ec338c09 100644
--- a/third_party/WebKit/public/platform/WebRTCStats.h
+++ b/third_party/WebKit/public/platform/WebRTCStats.h
@@ -36,9 +36,9 @@ enum WebRTCStatsMemberType {
   WebRTCStatsMemberTypeSequenceString,  // WebVector<WebString>
 };
 
-class WebRTCStatsReport {
+class BLINK_PLATFORM_EXPORT WebRTCStatsReport {
  public:
-  virtual ~WebRTCStatsReport() {}
+  virtual ~WebRTCStatsReport();
   // Creates a new report object that is a handle to the same underlying stats
   // report (the stats are not copied). The new report's iterator is reset,
   // useful when needing multiple iterators.
@@ -50,9 +50,9 @@ class WebRTCStatsReport {
   virtual std::unique_ptr<WebRTCStats> next() = 0;
 };
 
-class WebRTCStats {
+class BLINK_PLATFORM_EXPORT WebRTCStats {
  public:
-  virtual ~WebRTCStats() {}
+  virtual ~WebRTCStats();
 
   virtual WebString id() const = 0;
   virtual WebString type() const = 0;
@@ -62,9 +62,9 @@ class WebRTCStats {
   virtual std::unique_ptr<WebRTCStatsMember> getMember(size_t) const = 0;
 };
 
-class WebRTCStatsMember {
+class BLINK_PLATFORM_EXPORT WebRTCStatsMember {
  public:
-  virtual ~WebRTCStatsMember() {}
+  virtual ~WebRTCStatsMember();
 
   virtual WebString name() const = 0;
   virtual WebRTCStatsMemberType type() const = 0;
@@ -89,9 +89,9 @@ class WebRTCStatsMember {
   virtual WebVector<WebString> valueSequenceString() const = 0;
 };
 
-class WebRTCStatsReportCallback {
+class BLINK_PLATFORM_EXPORT WebRTCStatsReportCallback {
  public:
-  virtual ~WebRTCStatsReportCallback() {}
+  virtual ~WebRTCStatsReportCallback();
 
   virtual void OnStatsDelivered(std::unique_ptr<WebRTCStatsReport>) = 0;
 };