Start the search service worker when the user input looks like a query.

Bug: 732681
Change-Id: Ic51430e0acdc22acfc778158ee328f973e7f1c45
Reviewed-on: https://chromium-review.googlesource.com/559914
Reviewed-by: Matt Falkenhagen <[email protected]>
Reviewed-by: Mark Pearson <[email protected]>
Commit-Queue: Justin Donnelly <[email protected]>
Cr-Commit-Position: refs/heads/master@{#485056}
diff --git a/chrome/browser/flag_descriptions.h b/chrome/browser/flag_descriptions.h
index 53d19f0..b449e74 100644
--- a/chrome/browser/flag_descriptions.h
+++ b/chrome/browser/flag_descriptions.h
@@ -687,6 +687,9 @@
 extern const char kSpeculativePrefetchName[];
 extern const char kSpeculativePrefetchDescription[];
 
+extern const char kSpeculativeServiceWorkerStartOnQueryInputName[];
+extern const char kSpeculativeServiceWorkerStartOnQueryInputDescription[];
+
 extern const char kSpellingFeedbackFieldTrialName[];
 extern const char kSpellingFeedbackFieldTrialDescription[];