Clean up a few more unused globals.

content/browser/web_contents/web_contents_impl.cc

Index: content/browser/web_contents/web_contents_impl.cc
diff --git a/content/browser/web_contents/web_contents_impl.cc b/content/browser/web_contents/web_contents_impl.cc
index 9c42e7c231561d0b913bac0799305fab369e1446..02e8f3cb9b79989e2c0e81f1ae6053fc0c5fc9f3 100644
--- a/content/browser/web_contents/web_contents_impl.cc
+++ b/content/browser/web_contents/web_contents_impl.cc
@@ -151,12 +151,6 @@
 namespace content {
 namespace {
 
-// Amount of time we wait between when a key event is received and the renderer
-// is queried for its state and pushed to the NavigationEntry.
-const int kQueryStateDelay = 5000;
-
-const int kSyncWaitDelay = 40;
-
 const char kDotGoogleDotCom[] = ".google.com";
 
 base::LazyInstance<std::vector<WebContents::CreatedCallback> >