Cross-process frames should be notified of device scale factor changes.

content/browser/renderer_host/render_widget_host_view_mus.cc

 // Copyright 2015 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_mus.h"
 
 #include <utility>
 
 #include "build/build_config.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/common/render_widget_window_tree_client_factory.mojom.h"
 #include "content/common/text_input_state.h"
 #include "content/public/common/mojo_shell_connection.h"
 #include "services/shell/public/cpp/connector.h"
 #include "services/ui/public/cpp/property_type_converters.h"
 #include "services/ui/public/cpp/window.h"
 #include "services/ui/public/cpp/window_property.h"
 #include "services/ui/public/cpp/window_tree_client.h"
 #include "services/ui/public/interfaces/window_manager_constants.mojom.h"
 #include "ui/aura/client/screen_position_client.h"
 #include "ui/aura/window.h"
 #include "ui/base/hit_test.h"
 
-namespace blink {
-struct WebScreenInfo;
-}
-
 namespace content {
 
 RenderWidgetHostViewMus::RenderWidgetHostViewMus(ui::Window* parent_window,
                                                  RenderWidgetHostImpl* host)
     : host_(host), aura_window_(nullptr) {
   DCHECK(parent_window);
   ui::Window* window = parent_window->window_tree()->NewWindow();
   window->SetVisible(true);
   window->SetBounds(gfx::Rect(300, 300));
   window->set_input_event_handler(this);
@@ skipping 207 matching lines @@
 
 bool RenderWidgetHostViewMus::LockMouse() {
   // TODO(fsamuel): Implement mouse lock in Mus.
   return false;
 }
 
 void RenderWidgetHostViewMus::UnlockMouse() {
   // TODO(fsamuel): Implement mouse lock in Mus.
 }
 
-void RenderWidgetHostViewMus::GetScreenInfo(blink::WebScreenInfo* results) {
-  // TODO(fsamuel): Populate screen info from Mus.
-}
-
 gfx::Rect RenderWidgetHostViewMus::GetBoundsInRootWindow() {
   aura::Window* top_level = aura_window_->GetToplevelWindow();
   gfx::Rect bounds(top_level->GetBoundsInScreen());
   return bounds;
 }
 
 #if defined(OS_MACOSX)
 ui::AcceleratedWidgetMac* RenderWidgetHostViewMus::GetAcceleratedWidgetMac()
     const {
   return nullptr;
@@ skipping 35 matching lines @@
 
 void RenderWidgetHostViewMus::OnWindowInputEvent(
     ui::Window* window,
     const ui::Event& event,
     std::unique_ptr<base::Callback<void(ui::mojom::EventResult)>>*
         ack_callback) {
   // TODO(sad): Dispatch |event| to the RenderWidgetHost.
 }
 
 }  // namespace content