Use suffixed {uint,int}{8,16,32,64}_t types.

webrtc/p2p/base/transportchannelproxy.h

Index: webrtc/p2p/base/transportchannelproxy.h
diff --git a/webrtc/p2p/base/transportchannelproxy.h b/webrtc/p2p/base/transportchannelproxy.h
index 80ee20aabb06de9851560de3168b40646813b82a..8f00e0574dc03b7f77f670821440c3b1167b853e 100644
--- a/webrtc/p2p/base/transportchannelproxy.h
+++ b/webrtc/p2p/base/transportchannelproxy.h
@@ -63,10 +63,10 @@ class TransportChannelProxy : public TransportChannel,
   rtc::scoped_refptr<rtc::RTCCertificate> GetLocalCertificate() const override;
   bool GetRemoteSSLCertificate(rtc::SSLCertificate** cert) const override;
   bool ExportKeyingMaterial(const std::string& label,
-                            const uint8* context,
+                            const uint8_t* context,
                             size_t context_len,
                             bool use_context,
-                            uint8* result,
+                            uint8_t* result,
                             size_t result_len) override;
 
  private: