Add core plumbing for Instant Extended work

chrome/browser/google/google_util_unittest.cc

Index: chrome/browser/google/google_util_unittest.cc
diff --git a/chrome/browser/google/google_util_unittest.cc b/chrome/browser/google/google_util_unittest.cc
index 5c0bfbbb5cb68cf1eceb6d00cbd8e5d7bababddd..04a20f58c924ac253d08650034796aa5a9e33ca3 100644
--- a/chrome/browser/google/google_util_unittest.cc
+++ b/chrome/browser/google/google_util_unittest.cc
@@ -9,6 +9,7 @@
 using google_util::IsGoogleDomainUrl;
 using google_util::IsGoogleHomePageUrl;
 using google_util::IsGoogleSearchUrl;
+using google_util::IsInstantExtendedAPIGoogleSearchUrl;
 
 TEST(GoogleUtilTest, GoodHomePagesNonSecure) {
   // Valid home page hosts.
@@ -243,6 +244,33 @@ TEST(GoogleUtilTest, BadSearches) {
       "http://www.google.com/WEBHP#q=something"));
 }
 
+TEST(GoogleUtilTest, IsInstantExtendedAPIGoogleSearchUrl) {
+  EXPECT_TRUE(IsInstantExtendedAPIGoogleSearchUrl(
+        "http://www.google.com/search?q=something&espv=1"));
+  EXPECT_TRUE(IsInstantExtendedAPIGoogleSearchUrl(
+        "http://www.google.com/search?q=something&espv=3"));
+  EXPECT_TRUE(IsInstantExtendedAPIGoogleSearchUrl(
+        "http://www.google.com/search?q=something&espv=42"));
+
+  EXPECT_FALSE(IsInstantExtendedAPIGoogleSearchUrl(
+        "http://www.google.com/search?q=something&espv="));
+  EXPECT_FALSE(IsInstantExtendedAPIGoogleSearchUrl(
+        "http://www.google.com/search?q=something&espv=0"));
+
+  EXPECT_FALSE(IsInstantExtendedAPIGoogleSearchUrl(
+        "http://www.foo.com/search?q=something&espv=0"));
+  EXPECT_FALSE(IsInstantExtendedAPIGoogleSearchUrl(
+        "http://www.foo.com/search?q=something&espv=1"));
+  EXPECT_FALSE(IsInstantExtendedAPIGoogleSearchUrl(
+        "http://www.google.com/bing?q=something&espv=1"));
+  EXPECT_FALSE(IsInstantExtendedAPIGoogleSearchUrl(
+        "http://www.google.com/search?q=something&vespv=1"));
+  EXPECT_FALSE(IsInstantExtendedAPIGoogleSearchUrl(
+        "http://www.google.com/search?q=something&espvx=1"));
+  EXPECT_FALSE(IsInstantExtendedAPIGoogleSearchUrl(
+        "http://www.google.com/search#q=something&espv=1"));
+}
+
 TEST(GoogleUtilTest, GoogleDomains) {
   // Test some good Google domains (valid TLDs).
   EXPECT_TRUE(IsGoogleDomainUrl("http://www.google.com",