Change network error titles to just the hostname

chrome/browser/policy/policy_browsertest.cc

Index: chrome/browser/policy/policy_browsertest.cc
diff --git a/chrome/browser/policy/policy_browsertest.cc b/chrome/browser/policy/policy_browsertest.cc
index 21795486c87fde30f851c01554cabbe20eaa81aa..bdf9459abb8ac6ec080ad0950856ecc4c4c4178d 100644
--- a/chrome/browser/policy/policy_browsertest.cc
+++ b/chrome/browser/policy/policy_browsertest.cc
@@ -371,9 +371,14 @@ void CheckCanOpenURL(Browser* browser, const char* spec) {
   content::WebContents* contents =
       browser->tab_strip_model()->GetActiveWebContents();
   EXPECT_EQ(url, contents->GetURL());
-  base::string16 spec16 = base::UTF8ToUTF16(url.spec());
-  base::string16 title =
-      l10n_util::GetStringFUTF16(IDS_ERRORPAGES_TITLE_BLOCKED, spec16);
+
+  base::string16 title;

[Thiemo Nagel, 2016/08/09 18:24:58]

To make this more understandable, could you maybe explain that |title| contains
the page title for the blocked page?  And/or maybe rename to
|blocked_page_title| or |title_if_blocked| or something similar?

+  if (url.has_host()) {
+    title = base::UTF8ToUTF16(url.host());
+  } else {
+    //  Local file paths show the full URL.

[Thiemo Nagel, 2016/08/09 18:24:57]

Nit: Please drop duplicate blank.

+    title = base::UTF8ToUTF16(url.spec());
+  }
   EXPECT_NE(title, contents->GetTitle());
 }
 
@@ -384,9 +389,14 @@ void CheckURLIsBlocked(Browser* browser, const char* spec) {
   content::WebContents* contents =
       browser->tab_strip_model()->GetActiveWebContents();
   EXPECT_EQ(url, contents->GetURL());
-  base::string16 spec16 = base::UTF8ToUTF16(url.spec());
-  base::string16 title =
-      l10n_util::GetStringFUTF16(IDS_ERRORPAGES_TITLE_BLOCKED, spec16);
+
+  base::string16 title;

[Thiemo Nagel, 2016/08/09 18:24:57]

Same as above.

+  if (url.has_host()) {
+    title = base::UTF8ToUTF16(url.host());
+  } else {
+    //  Local file paths show the full URL.

[Thiemo Nagel, 2016/08/09 18:24:58]

Nit: Please drop duplicate blank.

+    title = base::UTF8ToUTF16(url.spec());
+  }
   EXPECT_EQ(title, contents->GetTitle());
 
   // Verify that the expected error page is being displayed.