[ios] Adds LocationBarCoordinator.

ios/clean/chrome/browser/ui/toolbar/toolbar_coordinator.mm

Index: ios/clean/chrome/browser/ui/toolbar/toolbar_coordinator.mm
diff --git a/ios/clean/chrome/browser/ui/toolbar/toolbar_coordinator.mm b/ios/clean/chrome/browser/ui/toolbar/toolbar_coordinator.mm
index 6ba3e81886780cf22f8800a1a8203dd9019959e7..b394cae50cf0ab392d7392feafa780b9c9eeeda1 100644
--- a/ios/clean/chrome/browser/ui/toolbar/toolbar_coordinator.mm
+++ b/ios/clean/chrome/browser/ui/toolbar/toolbar_coordinator.mm
@@ -5,6 +5,7 @@
 #import "ios/clean/chrome/browser/ui/toolbar/toolbar_coordinator.h"
 
 #import "ios/clean/chrome/browser/ui/commands/tools_menu_commands.h"
+#import "ios/clean/chrome/browser/ui/omnibox/location_bar_coordinator.h"
 #import "ios/clean/chrome/browser/ui/toolbar/toolbar_mediator.h"
 #import "ios/clean/chrome/browser/ui/toolbar/toolbar_view_controller.h"
 #import "ios/clean/chrome/browser/ui/tools/tools_coordinator.h"
@@ -60,6 +61,13 @@
   self.viewController.dispatcher = static_cast<id>(self.browser->dispatcher());
   self.mediator.consumer = self.viewController;
 
+  LocationBarCoordinator* locationBarCoordinator =
+      [[LocationBarCoordinator alloc] init];
+  [self addChildCoordinator:locationBarCoordinator];
+  [locationBarCoordinator start];
+  self.viewController.locationBarViewController =
+      locationBarCoordinator.viewController;

[marq (ping after 24h), 2017/04/05 09:07:19]

Should this part be in -childCoordinatorDidStart?

[rohitrao (ping after 24h), 2017/04/05 14:37:05]

Moved.  I don't think we ever decided on the pattern to use for children that
are always "started".  I'd prefer to always hook up VCs in
childCoordinatorDidStart (as opposed to what I originally wrote here).

[marq (ping after 24h), 2017/04/05 14:59:10]

Yes, we should do a cleanup pass.

+
   [self.context.baseViewController presentViewController:self.viewController
                                                 animated:self.context.animated
                                               completion:nil];