Making BrowserNavigator open file browser singleton tab respecting URLs ref value

chrome/browser/ui/browser_navigator_browsertest.cc

Index: chrome/browser/ui/browser_navigator_browsertest.cc
diff --git a/chrome/browser/ui/browser_navigator_browsertest.cc b/chrome/browser/ui/browser_navigator_browsertest.cc
index dbd6c397782feab826880078fd452e49eb72df91..e48c9169b94ab5aff4405ecde07f4518adf38b9f 100644
--- a/chrome/browser/ui/browser_navigator_browsertest.cc
+++ b/chrome/browser/ui/browser_navigator_browsertest.cc
@@ -164,6 +164,55 @@ IN_PROC_BROWSER_TEST_F(BrowserNavigatorTest, Disposition_SingletonTabExisting) {
 }
 
 IN_PROC_BROWSER_TEST_F(BrowserNavigatorTest,
+                       Disposition_SingletonTabRespectingRef) {
+  GURL singleton_ref_url1("http://maps.google.com/#a");
+  GURL singleton_ref_url2("http://maps.google.com/#b");
+  GURL singleton_ref_url3("http://maps.google.com/");
+
+  browser()->AddSelectedTabWithURL(singleton_ref_url1, PageTransition::LINK);
+
+  // We should have one browser with 2 tabs, 2nd selected.
+  EXPECT_EQ(1u, BrowserList::size());
+  EXPECT_EQ(2, browser()->tab_count());
+  EXPECT_EQ(1, browser()->active_index());
+
+  // Navigate to singleton_url2.
+  browser::NavigateParams p(MakeNavigateParams());
+  p.disposition = SINGLETON_TAB;
+  p.url = singleton_ref_url2;
+  browser::Navigate(&p);
+
+  // We should now have 2 tabs, the 2nd one selected.
+  EXPECT_EQ(browser(), p.browser);
+  EXPECT_EQ(2, browser()->tab_count());
+  EXPECT_EQ(1, browser()->active_index());
+
+  // Navigate to singleton_url2, but with respect ref set.
+  p = MakeNavigateParams();
+  p.disposition = SINGLETON_TAB;
+  p.url = singleton_ref_url2;
+  p.ref_behavior = browser::NavigateParams::RESPECT_REF;
+  browser::Navigate(&p);
+
+  // We should now have 3 tabs, the 3th one selected.
+  EXPECT_EQ(browser(), p.browser);
+  EXPECT_EQ(3, browser()->tab_count());
+  EXPECT_EQ(2, browser()->active_index());
+
+  // Navigate to singleton_url3.
+  p = MakeNavigateParams();
+  p.disposition = SINGLETON_TAB;
+  p.url = singleton_ref_url3;
+  p.ref_behavior = browser::NavigateParams::RESPECT_REF;
+  browser::Navigate(&p);
+
+  // We should now have 4 tabs, the 4th one selected.
+  EXPECT_EQ(browser(), p.browser);
+  EXPECT_EQ(4, browser()->tab_count());
+  EXPECT_EQ(3, browser()->active_index());
+}
+
+IN_PROC_BROWSER_TEST_F(BrowserNavigatorTest,
                        Disposition_SingletonTabNoneExisting) {
   GURL singleton_url1("http://maps.google.com/");