Retire HostedAppBrowserController::GetExtensionForTesting()

no longer used.

HostedAppBrowserController: :GetExtensionForTesting() is
Change-Id: I8c8fbd25a514b017c9cf4a842cb5bdee83269653
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2064166
Auto-Submit: Eric Willigers <ericwilligers@chromium.org>
Commit-Queue: Alexey Baskakov <loyso@chromium.org>
Reviewed-by: Alexey Baskakov <loyso@chromium.org>
Cr-Commit-Position: refs/heads/master@{#743855}

chrome/browser/ui/extensions/hosted_app_browser_controller.cc

@@ -159,10 +159,6 @@ const Extension* HostedAppBrowserController::GetExtension() const {
       ->GetExtensionById(GetAppId(), ExtensionRegistry::EVERYTHING);
 }
 
-const Extension* HostedAppBrowserController::GetExtensionForTesting() const {
-  return GetExtension();
-}
-
 std::string HostedAppBrowserController::GetAppShortName() const {
   const Extension* extension = GetExtension();
   return extension ? extension->short_name() : std::string();

chrome/browser/ui/extensions/hosted_app_browser_controller.h

@@ -44,7 +44,6 @@ class HostedAppBrowserController : public web_app::AppBrowserController,
   base::string16 GetFormattedUrlOrigin() const override;
   GURL GetAppLaunchURL() const override;
   bool IsUrlInAppScope(const GURL& url) const override;
-  const Extension* GetExtensionForTesting() const;
   bool CanUninstall() const override;
   void Uninstall() override;
   bool IsInstalled() const override;