Introduce the PushSubscription.curve25519dh attribute (3/3)

public/platform/modules/push_messaging/WebPushSubscription.h

Index: public/platform/modules/push_messaging/WebPushSubscription.h
diff --git a/public/platform/modules/push_messaging/WebPushSubscription.h b/public/platform/modules/push_messaging/WebPushSubscription.h
index 677fd24649fd066055ea0bf1835aad71ac3abf41..699b929030c30baf5d5c66cb20943e14c40185b7 100644
--- a/public/platform/modules/push_messaging/WebPushSubscription.h
+++ b/public/platform/modules/push_messaging/WebPushSubscription.h
@@ -6,26 +6,19 @@
 #define WebPushSubscription_h
 
 #include "public/platform/WebCommon.h"
-#include "public/platform/WebString.h"
 #include "public/platform/WebURL.h"
 #include "public/platform/WebVector.h"
 
 namespace blink {
 
 struct WebPushSubscription {
-    // The |endpoint| must be unique for each subscription.
+    // The |endpoint| and |curve25519dh| must both be unique for each subscription.
     WebPushSubscription(const WebURL& endpoint, const WebVector<unsigned char>& curve25519dh)
         : endpoint(endpoint)
         , curve25519dh(curve25519dh)
     {
     }
 
-    // TODO(peter): Remove this constructor when the embedder doesn't use it anymore.
-    explicit WebPushSubscription(const WebURL& endpoint)
-        : endpoint(endpoint)
-    {
-    }
-
     WebURL endpoint;
     WebVector<unsigned char> curve25519dh;
 };