Support tracking focused element for OOPIFs.

content/browser/renderer_host/render_widget_host_view_aura.cc

 // Copyright (c) 2012 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/browser/renderer_host/render_widget_host_view_aura.h"
 
 #include <set>
 #include <utility>
 
 #include "base/auto_reset.h"
@@ skipping 167 matching lines @@
         return;
 
       host_->GetView()->SetInsets(gfx::Insets(0, 0, viewport_bottom, 0));
 
       gfx::Point origin(location_in_screen_);
       screen_position_client->ConvertPointFromScreen(window_, &origin);
 
       // We want to scroll the node into a rectangle which originates from
       // the touch point and a small offset (10) in either direction.
       gfx::Rect node_rect(origin.x(), origin.y(), 10, 10);
-      host_->ScrollFocusedEditableNodeIntoRect(node_rect);
+      RenderWidgetHostImpl* host = host_;
+      if (host->delegate()) {
+        host = host->delegate()->GetFocusedRenderWidgetHost(host);
+      }
+      // TODO(ekaramad): This will not scroll the <iframe> up.
+      host->ScrollFocusedEditableNodeIntoRect(node_rect);
     }
   }
 
   void OnKeyboardHidden(const gfx::Rect& keyboard_rect_pixels) override {
     // Restore the viewport.
     host_->GetView()->SetInsets(gfx::Insets());
   }
 
  private:
   RenderWidgetHostImpl* host_;
@@ skipping 574 matching lines @@
     const gfx::Point& location_dips_screen,
     bool editable) {
 #if defined(OS_WIN)
   RenderViewHost* rvh = RenderViewHost::From(host_);
   if (rvh && rvh->GetDelegate())
     rvh->GetDelegate()->SetIsVirtualKeyboardRequested(editable);
 
   ui::OnScreenKeyboardDisplayManager* osk_display_manager =
       ui::OnScreenKeyboardDisplayManager::GetInstance();
   DCHECK(osk_display_manager);
-  if (editable && host_ && host_->GetView()) {
+  if (editable && host_ && host_->GetView() && host_->delegate()) {
     keyboard_observer_.reset(new WinScreenKeyboardObserver(
         host_, location_dips_screen, device_scale_factor_, window_));
     virtual_keyboard_requested_ =
         osk_display_manager->DisplayVirtualKeyboard(keyboard_observer_.get());
   } else {
     virtual_keyboard_requested_ = false;
     osk_display_manager->DismissVirtualKeyboard();
   }
 #endif
 }
@@ skipping 1586 matching lines @@
 
 void RenderWidgetHostViewAura::SetPopupChild(
     RenderWidgetHostViewAura* popup_child_host_view) {
   popup_child_host_view_ = popup_child_host_view;
   event_handler_->SetPopupChild(
       popup_child_host_view,
       popup_child_host_view ? popup_child_host_view->event_handler() : nullptr);
 }
 
 }  // namespace content