Fix page zoom to be frame-centric for out-of-process frames.

content/renderer/render_frame_impl.cc

 // Copyright 2013 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.
 
 #include "content/renderer/render_frame_impl.h"
 
 #include <map>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 4550 matching lines @@
     // history entry, it means the user initiated the navigation and we should
     // mark it as such.
     if (commit_type == blink::WebStandardCommit)
       params.transition = ui::PAGE_TRANSITION_MANUAL_SUBFRAME;
     else
       params.transition = ui::PAGE_TRANSITION_AUTO_SUBFRAME;
 
     DCHECK(!navigation_state->request_params().should_clear_history_list);
     params.history_list_was_cleared = false;
     params.report_type = FrameMsg_UILoadMetricsReportType::NO_REPORT;
+    // Subframes should match the zoom level of the main frame.
+    render_view_->webview()->setZoomLevel(render_view_->page_zoom_level());
   }
 
   // This message needs to be sent before any of allowScripts(),
   // allowImages(), allowPlugins() is called for the new page, so that when
   // these functions send a ViewHostMsg_ContentBlocked message, it arrives
   // after the FrameHostMsg_DidCommitProvisionalLoad message.
   Send(new FrameHostMsg_DidCommitProvisionalLoad(routing_id_, params));
 
   // If we end up reusing this WebRequest (for example, due to a #ref click),
   // we don't want the transition type to persist.  Just clear it.
@@ skipping 1452 matching lines @@
                                     int match_count,
                                     int ordinal,
                                     const WebRect& selection_rect,
                                     bool final_status_update) {
   Send(new FrameHostMsg_Find_Reply(routing_id_, request_id, match_count,
                                    selection_rect, ordinal,
                                    final_status_update));
 }
 
 }  // namespace content