Remove usage of HostZoomMap from c/b/loader via ReadyToCommitNavigation

content/common/frame.mojom

 // Copyright 2014 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.
 
 module content.mojom;
 
 import "services/shell/public/interfaces/interface_provider.mojom";
+import "url/mojo/url.mojom";
 
 // Implemented by the frame provider (e.g. renderer processes).
 interface Frame {
   GetInterfaceProvider(shell.mojom.InterfaceProvider& interfaces);
 };
 
 // Implemented by the frame server (i.e. the browser process).
 interface FrameHost {
   GetInterfaceProvider(shell.mojom.InterfaceProvider& interfaces);
 };
 
 // Implemented by a service that provides implementations of the Frame
 // interface. (e.g. renderer processes).
 interface FrameFactory {
   CreateFrame(int32 frame_routing_id, Frame& frame, FrameHost host);
 };