Add an API for hosted apps to check their install and running states.

chrome/common/extensions/url_pattern_unittest.cc

Index: chrome/common/extensions/url_pattern_unittest.cc
diff --git a/chrome/common/extensions/url_pattern_unittest.cc b/chrome/common/extensions/url_pattern_unittest.cc
index 10dff3d66b4b6744257753e798a78272e58cdfa7..2006c546a238e0a757e6963c8014d4af66fd5d2a 100644
--- a/chrome/common/extensions/url_pattern_unittest.cc
+++ b/chrome/common/extensions/url_pattern_unittest.cc
@@ -666,3 +666,17 @@ TEST(ExtensionURLPatternTest, CanReusePatternWithParse) {
   EXPECT_FALSE(pattern3.MatchesURL(GURL("http://aa.com/path")));
   EXPECT_TRUE(pattern3.MatchesURL(GURL("http://aa.com:88/path")));
 }
+
+TEST(ExtensionURLPatternTest, IgnoresTrailingSlash) {
+  URLPattern pattern1(URLPattern::SCHEME_ALL);
+  EXPECT_EQ(URLPattern::PARSE_SUCCESS, pattern1.Parse("http://a.com/b/"));
+  EXPECT_TRUE(pattern1.MatchesURL(GURL("http://a.com/b")));
+
+  URLPattern pattern2(URLPattern::SCHEME_ALL);
+  EXPECT_EQ(URLPattern::PARSE_SUCCESS, pattern2.Parse("http://a.com/"));
+  EXPECT_TRUE(pattern2.MatchesURL(GURL("http://a.com")));
+
+  URLPattern pattern3(URLPattern::SCHEME_ALL);
+  EXPECT_EQ(URLPattern::PARSE_SUCCESS, pattern3.Parse("http://a.com/b"));
+  EXPECT_TRUE(pattern3.MatchesURL(GURL("http://a.com/b/")));
+}