Remove a TODO for ContentClient::GetUserAgent().

Change-Id: I4a755f8bb007e5945c5b8786eaf69c6b6544c6b4
Reviewed-on: https://chromium-review.googlesource.com/740906Reviewed-by: John Abd-El-Malek <jam@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
Cr-Commit-Position: refs/heads/master@{#512387}

content/public/common/content_client.cc

@@ -38,11 +38,6 @@ class InternalTestInitializer {
 
 void SetContentClient(ContentClient* client) {
   g_client = client;
-
-  // TODO(jam): find out which static on Windows is causing this to have to be
-  // called on startup.
-  if (client)
-    client->GetUserAgent();
 }
 
 ContentClient* GetContentClient() {