Remove AppBannerManager code to skip secure context checks for tests.

chrome/browser/banners/app_banner_manager.cc

Index: chrome/browser/banners/app_banner_manager.cc
diff --git a/chrome/browser/banners/app_banner_manager.cc b/chrome/browser/banners/app_banner_manager.cc
index a46c9dd012bfe2d0e632f0e29f8051c6811b7250..8feb7a6e8e678392a0807435c1af7c4730a42ce7 100644
--- a/chrome/browser/banners/app_banner_manager.cc
+++ b/chrome/browser/banners/app_banner_manager.cc
@@ -30,7 +30,6 @@
 
 namespace {
 
-bool gDisableSecureCheckForTesting = false;
 int gCurrentRequestID = -1;
 base::LazyInstance<base::TimeDelta> gTimeDeltaForTesting =
     LAZY_INSTANCE_INITIALIZER;
@@ -63,11 +62,6 @@ InstallableParams ParamsToPerformInstallableCheck(int ideal_icon_size_in_dp,
 namespace banners {
 
 // static
-void AppBannerManager::DisableSecureSchemeCheckForTesting() {
-  gDisableSecureCheckForTesting = true;
-}
-
-// static
 base::Time AppBannerManager::GetCurrentTime() {
   return base::Time::Now() + gTimeDeltaForTesting.Get();
 }
@@ -119,8 +113,7 @@ void AppBannerManager::RequestAppBanner(const GURL& validated_url,
 
   // A secure origin is required to show banners, so exit early if we see the
   // URL is invalid.
-  if (!content::IsOriginSecure(validated_url) &&
-      !gDisableSecureCheckForTesting) {
+  if (!content::IsOriginSecure(validated_url)) {
     ReportStatus(contents, NOT_FROM_SECURE_ORIGIN);
     Stop();
     return;