Add Incognito CCT landscape mode tests.

Bug: 1168161
Change-Id: I776a8f152a05cde5fbb939a707ee0e8eba43b083
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2640033Reviewed-by: Peter Conn <peconn@chromium.org>
Commit-Queue: Rohit Agarwal <roagarwal@chromium.org>
Cr-Commit-Position: refs/heads/master@{#845288}

chrome/android/javatests/src/org/chromium/chrome/browser/customtabs/IncognitoCustomTabActivityRenderTest.java

@@ -7,6 +7,7 @@ package org.chromium.chrome.browser.customtabs;
 import static org.junit.Assert.assertTrue;
 
 import android.content.Intent;
+import android.content.pm.ActivityInfo;
 import android.support.test.InstrumentationRegistry;
 import android.view.View;
 
@@ -86,16 +87,30 @@ public class IncognitoCustomTabActivityRenderTest {
                 InstrumentationRegistry.getContext(), url);
     }
 
-    private void startActivity(String renderTestId) throws IOException {
+    private void startActivity(String renderTestId, int mScreenOrientation) throws IOException {
         mCustomTabActivityTestRule.startCustomTabActivityWithIntent(mIntent);
+        mCustomTabActivityTestRule.getActivity().setRequestedOrientation(mScreenOrientation);
+        InstrumentationRegistry.getInstrumentation().waitForIdleSync();
         View toolbarView = mCustomTabActivityTestRule.getActivity().findViewById(R.id.toolbar);
         mRenderTestRule.render(toolbarView, renderTestId);
     }
 
+    private void startActivity(String renderTestId) throws IOException {
+        startActivity(renderTestId, ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED);
+    }
+
     @Test
     @MediumTest
     @Feature("RenderTest")
     public void testCCTToolbar() throws IOException {
         startActivity("default_incognito_cct_toolbar_with_https_" + mRunWithHttps);
     }
+
+    @Test
+    @MediumTest
+    @Feature("RenderTest")
+    public void testCCTToolbarInLandscapeMode() throws IOException {
+        startActivity("default_incognito_cct_toolbar_in_landscape_with_https_" + mRunWithHttps,
+                ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
+    }
 }
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