Add chrome://popular-sites-internals/ to iOS.

ios/chrome/browser/chrome_url_constants.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ios/chrome/browser/chrome_url_constants.h"
 
 #include <stddef.h>
 
 #include "base/macros.h"
 
 const char kChromeUIScheme[] = "chrome";
 const char kDummyExtensionScheme[] = ":no-extension-scheme:";
 
 const char kChromeUIBookmarksURL[] = "chrome://bookmarks/";
 const char kChromeUIChromeURLsURL[] = "chrome://chrome-urls/";
 const char kChromeUICreditsURL[] = "chrome://credits/";
 const char kChromeUIFlagsURL[] = "chrome://flags/";
 const char kChromeUIHistoryURL[] = "chrome://history/";
 const char kChromeUINewTabURL[] = "chrome://newtab/";
 const char kChromeUIPhysicalWebURL[] = "chrome://physical-web/";
+const char kChromeUIPopularSitesInternalsURL[] =
+    "chrome://popular-sites-internals/";
 const char kChromeUISettingsURL[] = "chrome://settings/";
 const char kChromeUITermsURL[] = "chrome://terms/";
 const char kChromeUIVersionURL[] = "chrome://version/";
 
 const char kChromeUIAppleFlagsHost[] = "ui-alternatives";
 const char kChromeUIBookmarksHost[] = "bookmarks";
 const char kChromeUIBrowserCrashHost[] = "inducebrowsercrashforrealz";
 const char kChromeUIChromeURLsHost[] = "chrome-urls";
 const char kChromeUICrashesHost[] = "crashes";
 const char kChromeUICreditsHost[] = "credits";
 const char kChromeUIExternalFileHost[] = "external-file";
 const char kChromeUIFlagsHost[] = "flags";
 const char kChromeUIGCMInternalsHost[] = "gcm-internals";
 const char kChromeUIHistogramHost[] = "histograms";
 const char kChromeUIHistoryFrameHost[] = "history-frame";
 const char kChromeUIHistoryHost[] = "history";
 const char kChromeUINetExportHost[] = "net-export";
 const char kChromeUINewTabHost[] = "newtab";
 const char kChromeUIOmahaHost[] = "omaha";
 const char kChromeUIPhysicalWebHost[] = "physical-web";
+const char kChromeUIPopularSitesInternalsHost[] = "popular-sites-internals";
 const char kChromeUIPolicyHost[] = "policy";
 const char kChromeUISignInInternalsHost[] = "signin-internals";
 const char kChromeUISyncInternalsHost[] = "sync-internals";
 const char kChromeUITermsHost[] = "terms";
 const char kChromeUIVersionHost[] = "version";
 
 // Add hosts here to be included in chrome://chrome-urls (about:about).
 // These hosts will also be suggested by BuiltinProvider.
 // 'histograms' is chrome WebUI on iOS, content WebUI on other platforms.
 const char* const kChromeHostURLs[] = {
     kChromeUIBookmarksHost,   kChromeUIChromeURLsHost,
     kChromeUICreditsHost,     kChromeUIFlagsHost,
     kChromeUIHistogramHost,   kChromeUINetExportHost,
     kChromeUINewTabHost,      kChromeUISyncInternalsHost,
-    kChromeUIPhysicalWebHost, kChromeUITermsHost,
-    kChromeUIVersionHost,
+    kChromeUIPhysicalWebHost, kChromeUIPopularSitesInternalsHost,

[Bernhard Bauer, 2016/10/28 13:23:07]

Wait, this list actually is in two columns?
http://www.reactiongifs.com/r/but-why.gif

[sdefresne, 2016/10/28 13:34:03]

This is how clang-format format the list and //ios requires code to be formatted
with clang-format.

+    kChromeUITermsHost,       kChromeUIVersionHost,
 };
 const size_t kNumberOfChromeHostURLs = arraysize(kChromeHostURLs);
 
 const char kSyncGoogleDashboardURL[] =
     "https://www.google.com/settings/chrome/sync/";
 
 const char kPageInfoHelpCenterURL[] =
     "https://support.google.com/chrome/?p=ui_security_indicator";
 
 const char kCrashReasonURL[] = "https://support.google.com/chrome/?p=e_awsnap";
@@ skipping 19 matching lines @@
 const char kClearBrowsingDataMyActivityUrlInDialogURL[] =
     "https://history.google.com/history/?utm_source=chrome_n";
 
 const char kHistoryMyActivityURL[] =
     "https://history.google.com/history/?utm_source=chrome_h";
 
 const char kGoogleHistoryURL[] = "https://history.google.com";
 
 const char kGoogleMyAccountURL[] =
     "https://myaccount.google.com/privacy#activitycontrols";