[ios] Adds support for Find in Page to the new architecture.

ios/clean/chrome/browser/model/browser.h

Index: ios/clean/chrome/browser/model/browser.h
diff --git a/ios/clean/chrome/browser/model/browser.h b/ios/clean/chrome/browser/model/browser.h
index 0e5349f84687719f8b6f40daf977806656e4b8e8..e7f433755fa3ab7a4c8bca9d9239eb93e1eff348 100644
--- a/ios/clean/chrome/browser/model/browser.h
+++ b/ios/clean/chrome/browser/model/browser.h
@@ -8,6 +8,8 @@
 #include "base/macros.h"
 #include "ios/shared/chrome/browser/tabs/web_state_list.h"
 
+@class CommandDispatcher;
+
 namespace ios {
 class ChromeBrowserState;
 }
@@ -22,10 +24,13 @@ class Browser {
   WebStateList& web_state_list() { return web_state_list_; }
   const WebStateList& web_state_list() const { return web_state_list_; }
 
+  CommandDispatcher* dispatcher() { return dispatcher_; }

[rohitrao (ping after 24h), 2017/03/14 01:10:36]

2) Added the dispatcher to Browser, as discussed.

+
   ios::ChromeBrowserState* browser_state() const { return browser_state_; }
 
  private:
   WebStateList web_state_list_;
+  __strong CommandDispatcher* dispatcher_;
   ios::ChromeBrowserState* browser_state_;
 
   DISALLOW_COPY_AND_ASSIGN(Browser);