Cleanup: Remove for_search param from search::InstantExtendedEnabledParam()

components/search/search_unittest.cc

Index: components/search/search_unittest.cc
diff --git a/components/search/search_unittest.cc b/components/search/search_unittest.cc
index d5adaa47b148311577e3dc55391ca48ae2a9362a..07db3fb8f423f60d7aca8b49df03c1f0b512cc40 100644
--- a/components/search/search_unittest.cc
+++ b/components/search/search_unittest.cc
@@ -165,17 +165,13 @@ typedef EmbeddedSearchFieldTrialTest InstantExtendedEnabledParamTest;
 TEST_F(InstantExtendedEnabledParamTest, QueryExtractionDisabled) {
   ASSERT_TRUE(base::FieldTrialList::CreateFieldTrial("EmbeddedSearch",
                                                      "Group1 espv:12"));
-  // Make sure InstantExtendedEnabledParam() returns an empty string for search
-  // requests.
-  EXPECT_EQ("", InstantExtendedEnabledParam(true));
-  EXPECT_EQ("espv=12&", InstantExtendedEnabledParam(false));
+  EXPECT_EQ("espv=12&", InstantExtendedEnabledParam());
 }
 
 TEST_F(InstantExtendedEnabledParamTest, UseDefaultEmbeddedSearchPageVersion) {
   ASSERT_TRUE(base::FieldTrialList::CreateFieldTrial(
       "EmbeddedSearch", "Group1 espv:-1"));
-  EXPECT_EQ("", InstantExtendedEnabledParam(true));
-  EXPECT_EQ("espv=2&", InstantExtendedEnabledParam(false));
+  EXPECT_EQ("espv=2&", InstantExtendedEnabledParam());
 }
 
 #endif  // !defined(OS_IOS) && !defined(OS_ANDROID)