[iOS] Add Request Mobile Site cell to tools menu

ios/chrome/browser/tabs/tab.mm

Index: ios/chrome/browser/tabs/tab.mm
diff --git a/ios/chrome/browser/tabs/tab.mm b/ios/chrome/browser/tabs/tab.mm
index f669f1bfbc80ababda2f0e9c34eae5e1e1b9fb05..b91e7f1c1814ce6d83c1fe3a62232a2b98634a18 100644
--- a/ios/chrome/browser/tabs/tab.mm
+++ b/ios/chrome/browser/tabs/tab.mm
@@ -682,7 +682,7 @@ + (Tab*)newPreloadingTabWithBrowserState:(ios::ChromeBrowserState*)browserState
                                         model:nil
                                  browserState:browserState] autorelease];
   if (desktopUserAgent)
-    [tab enableDesktopUserAgent];
+    [tab activateDesktopUserAgent];
   [[tab webController] setNativeProvider:provider];
   [[tab webController] setWebUsageEnabled:YES];
 
@@ -1558,13 +1558,16 @@ - (BOOL)usesDesktopUserAgent {
   return visibleItem && visibleItem->IsOverridingUserAgent();
 }
 
-- (void)enableDesktopUserAgent {
+- (void)activateDesktopUserAgent {
   DCHECK_EQ(self.usesDesktopUserAgent, NO);
   DCHECK([self navigationManager]);
   [self navigationManager]->OverrideDesktopUserAgentForNextPendingItem();
 }
 
-- (void)reloadForDesktopUserAgent {
+- (void)activateMobileUserAgent {
+}

[liaoyuke, 2017/02/23 22:17:17]

Place holder, will get rid of "[self
navigationManager]->OverrideDesktopUserAgentForNextPendingItem()" in the next
patch and have the current page reload with new user agent instead of adding a
new pending item.

+
+- (void)reloadForUpdatedUserAgent {
   // |loadWithParams| will recreate the removed UIWebView.
   [self.webController requirePageReconstruction];