[TTS] Update the Tap Event Test to support Translations.

chrome/android/javatests/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchTapEventTest.java

Index: chrome/android/javatests/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchTapEventTest.java
diff --git a/chrome/android/javatests/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchTapEventTest.java b/chrome/android/javatests/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchTapEventTest.java
index 6e711b0769e3643dd8c875f4a66a87aeb124ecce..2675b233f2193f4f792c9c936d764c6064cf1f13 100644
--- a/chrome/android/javatests/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchTapEventTest.java
+++ b/chrome/android/javatests/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchTapEventTest.java
@@ -85,7 +85,9 @@ public class ContextualSearchTapEventTest extends ChromeActivityTestCaseBase<Chr
             super(activity, windowAndroid, null);
             setSelectionController(new MockCSSelectionController(activity, this));
             getSelectionController().getBaseContentView().setContextualSearchClient(this);
-            setContextualSearchPolicy(new MockContextualSearchPolicy(activity));
+            MockContextualSearchPolicy policy = new MockContextualSearchPolicy(activity);
+            setContextualSearchPolicy(policy);
+            mTranslateController = new MockedCSTranslateController(activity, policy, null);
         }
 
         @Override
@@ -136,6 +138,31 @@ public class ContextualSearchTapEventTest extends ChromeActivityTestCaseBase<Chr
     // --------------------------------------------------------------------------------------------
 
     /**
+     * Translate controller that mocks out native calls.
+     */
+    private static class MockedCSTranslateController extends ContextualSearchTranslateController {
+        private static final String ENGLISH_TARGET_LANGUAGE = "en";
+        private static final String ENGLISH_ACCEPT_LANGUAGES = "en-US,en";
+
+        MockedCSTranslateController(ChromeActivity activity, ContextualSearchPolicy policy,
+                ContextualSearchTranslateInterface hostInterface) {
+            super(activity, policy, hostInterface);
+        }
+
+        @Override
+        protected String getNativeAcceptLanguages() {
+            return ENGLISH_ACCEPT_LANGUAGES;
+        }
+
+        @Override
+        protected String getNativeTranslateServiceTargetLanguage() {
+            return ENGLISH_TARGET_LANGUAGE;
+        }
+    }
+
+    // --------------------------------------------------------------------------------------------
+
+    /**
      * A ContentViewCore that has some methods stubbed out for testing.
      */
     private static final class StubbedContentViewCore extends ContentViewCore {