[TTS] Extract tapped text before showing UI.

chrome/browser/android/contextualsearch/contextual_search_delegate_unittest.cc

Index: chrome/browser/android/contextualsearch/contextual_search_delegate_unittest.cc
diff --git a/chrome/browser/android/contextualsearch/contextual_search_delegate_unittest.cc b/chrome/browser/android/contextualsearch/contextual_search_delegate_unittest.cc
index b9f49337c0c8de378c329941f981f56565656ac6..3d933bb2829d48e669482fbc4b2d736031c90409 100644
--- a/chrome/browser/android/contextualsearch/contextual_search_delegate_unittest.cc
+++ b/chrome/browser/android/contextualsearch/contextual_search_delegate_unittest.cc
@@ -91,7 +91,7 @@ class ContextualSearchDelegateTest : public testing::Test {
       int start_offset,
       int end_offset) {
     test_context_ = new ContextualSearchContext(
-        selected_text, std::string(), GURL(kSomeSpecificBasePage), "utf-8");
+        std::string(), GURL(kSomeSpecificBasePage), "utf-8");
     // ContextualSearchDelegate class takes ownership of the context.
     delegate_->SetContextForTesting(test_context_->GetWeakPtr());
 
@@ -177,7 +177,7 @@ class ContextualSearchDelegateTest : public testing::Test {
                              int start_offset,
                              int end_offset) {
     test_context_ = new ContextualSearchContext(
-        "Bogus", std::string(), GURL(kSomeSpecificBasePage), "utf-8");
+        std::string(), GURL(kSomeSpecificBasePage), "utf-8");
     test_context_->SetSelectionSurroundings(start_offset, end_offset,
                                             surrounding_text);
     // ContextualSearchDelegate class takes ownership of the context.