Cleanup Blink side preconnect calls

While adding preconnect, we added a new API call that public that was destined to replace the previous one. This CL deletes calls to the previous API call.

BUG=

Review URL: https://codereview.chromium.org/1321193004

git-svn-id: svn://svn.chromium.org/blink/trunk@201878 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Source/platform/network/NetworkHints.cpp

@@ -42,11 +42,7 @@ void preconnect(const KURL& url, const CrossOriginAttributeValue crossOrigin)
 {
     if (WebPrescientNetworking* prescientNetworking = Platform::current()->prescientNetworking()) {
         bool allowCredentials = (crossOrigin != CrossOriginAttributeAnonymous);
-        // TODO(yoav): Call only the crossorigin interface once everything is hooked up.
-        if (crossOrigin == CrossOriginAttributeNotSet)
-            prescientNetworking->preconnect(url);
-        else
-            prescientNetworking->preconnect(url, allowCredentials);
+        prescientNetworking->preconnect(url, allowCredentials);
     }
 }
 

third_party/WebKit/public/platform/WebPrescientNetworking.h

@@ -45,8 +45,6 @@ public:
     // the host resolution latency.
     virtual void prefetchDNS(const WebString& hostname) { }
 
-    virtual void preconnect(const WebURL& url) { }
-
     virtual void preconnect(const WebURL& url, const bool allowCredentials) { }
 };