Removed context#getApplicationContext calls from...

Removed context#getApplicationContext calls from /chrome/android/java/src/org/chromium/chrome/browser/firstrun

Continuation of work in bug 646094.

This CL was uploaded by git cl split.

R=bsazonov@chromium.org

Bug: 846456
Change-Id: Iabb1d50cbdce25c3b4c96c749d8853c48da619f2
Reviewed-on: https://chromium-review.googlesource.com/1095992Reviewed-by: Boris Sazonov <bsazonov@chromium.org>
Commit-Queue: Tiger Oakes <tigero@google.com>
Cr-Commit-Position: refs/heads/master@{#566397}

chrome/android/java/src/org/chromium/chrome/browser/firstrun/ForcedSigninProcessor.java

@@ -112,7 +112,6 @@ public final class ForcedSigninProcessor {
     // TODO(bauerb): Once external dependencies reliably use policy to force sign-in,
     // consider removing the child account / EDU checks.
     public static void checkCanSignIn(final ChromeActivity activity) {
-        final Context appContext = activity.getApplicationContext();
         if (SigninManager.get().isForceSigninEnabled()) {
             ExternalAuthUtils.getInstance().canUseGooglePlayServices(
                     new UserRecoverableErrorHandler.ModalDialog(activity, false));