Implement support for Mac Zoom following focus and caret

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 2036 matching lines @@
 gfx::Point RenderWidgetHostViewAura::TransformPointToCoordSpaceForView(
     const gfx::Point& point,
     RenderWidgetHostViewBase* target_view) {
   // In TransformPointToLocalCoordSpace() there is a Point-to-Pixel conversion,
   // but it is not necessary here because the final target view is responsible
   // for converting before computing the final transform.
   return delegated_frame_host_->TransformPointToCoordSpaceForView(point,
                                                                   target_view);
 }
 
-void RenderWidgetHostViewAura::FocusedNodeChanged(bool editable) {
+void RenderWidgetHostViewAura::FocusedNodeChanged(
+    bool editable,
+    const gfx::Rect& node_bounds_in_screen) {
 #if defined(OS_WIN)
   if (!editable && virtual_keyboard_requested_) {
     virtual_keyboard_requested_ = false;
 
     RenderViewHost* rvh = RenderViewHost::From(host_);
     if (rvh && rvh->GetDelegate())
       rvh->GetDelegate()->SetIsVirtualKeyboardRequested(false);
 
     DCHECK(ui::OnScreenKeyboardDisplayManager::GetInstance());
     ui::OnScreenKeyboardDisplayManager::GetInstance()->DismissVirtualKeyboard();
@@ skipping 972 matching lines @@
           ->GetTextSelection(focused_view)
           ->GetSelectedText(&selected_text)) {
     // Set the CLIPBOARD_TYPE_SELECTION to the ui::Clipboard.
     ui::ScopedClipboardWriter clipboard_writer(ui::CLIPBOARD_TYPE_SELECTION);
     clipboard_writer.WriteText(selected_text);
   }
 #endif  // defined(USE_X11) && !defined(OS_CHROMEOS)
 }
 
 }  // namespace content