[ios clean] Add placeholder for NTP bookmarks, chrome home and open tabs.

ios/clean/chrome/browser/ui/ntp/new_tab_page_home_mediator.mm

Index: ios/clean/chrome/browser/ui/ntp/new_tab_page_home_mediator.mm
diff --git a/ios/clean/chrome/browser/ui/ntp/new_tab_page_home_mediator.mm b/ios/clean/chrome/browser/ui/ntp/new_tab_page_home_mediator.mm
new file mode 100644
index 0000000000000000000000000000000000000000..a7ee399650ae9ae0aaa0b7a17746d592ce802a17
--- /dev/null
+++ b/ios/clean/chrome/browser/ui/ntp/new_tab_page_home_mediator.mm
@@ -0,0 +1,70 @@
+

[lpromero, 2017/04/06 13:01:05]

Remove empty line.

[justincohen, 2017/04/06 18:25:10]

Done.

+// Copyright 2017 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.
+
+#import "ios/clean/chrome/browser/ui/ntp/new_tab_page_home_mediator.h"
+
+#import "ios/web/public/navigation_manager.h"
+#include "ios/web/public/web_state/web_state.h"
+#include "ui/base/page_transition_types.h"
+#include "url/gurl.h"
+
+#if !defined(__has_feature) || !__has_feature(objc_arc)
+#error "This file requires ARC support."
+#endif
+
+@interface NTPHomeMediator ()
+@end
+
+@implementation NTPHomeMediator
+@synthesize webState = _webState;
+
+#pragma mark - UrlLoader
+
+- (void)loadURL:(const GURL&)url
+             referrer:(const web::Referrer&)referrer
+           transition:(ui::PageTransition)transition
+    rendererInitiated:(BOOL)rendererInitiated {
+  web::NavigationManager::WebLoadParams params(url);
+  params.transition_type = transition;
+  self.webState->GetNavigationManager()->LoadURLWithParams(params);

[marq (ping after 24h), 2017/04/06 14:30:14]

I don't think we want to plumb the webstate down to this mediator just so it can
open URLs. Maybe opening URLs (in the same tab) should be a command that the tab
coordinator handles? 

[justincohen, 2017/04/06 18:25:10]

Moved to a dispatcher and a TabCommand.

+}
+
+- (void)webPageOrderedOpen:(const GURL&)url
+                  referrer:(const web::Referrer&)referrer
+              inBackground:(BOOL)inBackground
+                  appendTo:(OpenPosition)appendTo {
+}
+
+- (void)webPageOrderedOpen:(const GURL&)url
+                  referrer:(const web::Referrer&)referrer
+               inIncognito:(BOOL)inIncognito
+              inBackground:(BOOL)inBackground
+                  appendTo:(OpenPosition)appendTo {
+}
+
+- (void)loadSessionTab:(const sessions::SessionTab*)sessionTab {
+}
+
+- (void)loadJavaScriptFromLocationBar:(NSString*)script {
+}
+
+#pragma mark - OmniboxFocuser
+
+- (void)focusOmnibox {
+}
+
+- (void)cancelOmniboxEdit {
+}
+
+- (void)focusFakebox {
+}
+
+- (void)onFakeboxBlur {
+}
+
+- (void)onFakeboxAnimationComplete {
+}
+
+@end