[Chromecast] Removed unnecessary BroadcastRecievers in CastWebContentsComponentTest

Test: cast_shell_junit_tests
Fixes: removes unnecessary code

Change-Id: I1debe20ff2cddf6818c2c2861bb77251a56a4118
Reviewed-on: https://chromium-review.googlesource.com/1056169Reviewed-by: Simeon Anfinrud <sanfin@chromium.org>
Commit-Queue: Luke Halliwell <halliwell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#558368}

chromecast/browser/android/junit/src/org/chromium/chromecast/shell/CastWebContentsComponentTest.java

@@ -150,12 +150,6 @@ public class CastWebContentsComponentTest {
         Assume.assumeFalse(BuildConfig.DISPLAY_WEB_CONTENTS_IN_SERVICE);
         Assume.assumeFalse(BuildConfig.ENABLE_CAST_FRAGMENT);
 
-        BroadcastReceiver receiver = Mockito.mock(BroadcastReceiver.class);
-        IntentFilter intentFilter =
-                new IntentFilter(CastWebContentsIntentUtils.ACTION_ENABLE_TOUCH_INPUT);
-        LocalBroadcastManager.getInstance(ContextUtils.getApplicationContext())
-                .registerReceiver(receiver, intentFilter);
-
         CastWebContentsComponent component =
                 new CastWebContentsComponent(INSTANCE_ID, null, null, null, false, false);
         component.enableTouchInput(true);
@@ -165,9 +159,6 @@ public class CastWebContentsComponentTest {
         Intent intent = mShadowActivity.getNextStartedActivity();
 
         Assert.assertTrue(CastWebContentsIntentUtils.isTouchable(intent));
-
-        LocalBroadcastManager.getInstance(ContextUtils.getApplicationContext())
-                .unregisterReceiver(receiver);
     }
 
     @Test
@@ -175,12 +166,6 @@ public class CastWebContentsComponentTest {
         Assume.assumeFalse(BuildConfig.DISPLAY_WEB_CONTENTS_IN_SERVICE);
         Assume.assumeFalse(BuildConfig.ENABLE_CAST_FRAGMENT);
 
-        BroadcastReceiver receiver = Mockito.mock(BroadcastReceiver.class);
-        IntentFilter intentFilter =
-                new IntentFilter(CastWebContentsIntentUtils.ACTION_ENABLE_TOUCH_INPUT);
-        LocalBroadcastManager.getInstance(ContextUtils.getApplicationContext())
-                .registerReceiver(receiver, intentFilter);
-
         CastWebContentsComponent component =
                 new CastWebContentsComponent(INSTANCE_ID, null, null, null, false, false);
         component.enableTouchInput(false);
@@ -190,9 +175,6 @@ public class CastWebContentsComponentTest {
         Intent intent = mShadowActivity.getNextStartedActivity();
 
         Assert.assertFalse(CastWebContentsIntentUtils.isTouchable(intent));
-
-        LocalBroadcastManager.getInstance(ContextUtils.getApplicationContext())
-                .unregisterReceiver(receiver);
     }
 
     @Test