Removes WebContentsViewMus/RenderWidgetHostViewMus

content/browser/renderer_host/delegated_frame_host_client_aura.cc

+// Copyright 2016 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/delegated_frame_host_client_aura.h"
+
+#include "content/browser/renderer_host/compositor_resize_lock_aura.h"
+#include "content/browser/renderer_host/render_widget_host_impl.h"
+#include "content/browser/renderer_host/render_widget_host_view_aura.h"
+#include "content/common/view_messages.h"
+#include "ui/aura/window.h"
+#include "ui/compositor/layer.h"
+
+namespace content {
+namespace {
+
+// When accelerated compositing is enabled and a widget resize is pending,
+// we delay further resizes of the UI. The following constant is the maximum
+// length of time that we should delay further UI resizes while waiting for a
+// resized frame from a renderer.
+const int kResizeLockTimeoutMs = 67;
+
+}  // namespace
+
+DelegatedFrameHostClientAura::DelegatedFrameHostClientAura(
+    RenderWidgetHostViewAura* render_widget_host_view)
+    : render_widget_host_view_(render_widget_host_view) {}
+
+DelegatedFrameHostClientAura::~DelegatedFrameHostClientAura() {}
+
+ui::Layer* DelegatedFrameHostClientAura::DelegatedFrameHostGetLayer() const {
+  return render_widget_host_view_->window_->layer();
+}
+
+bool DelegatedFrameHostClientAura::DelegatedFrameHostIsVisible() const {
+  return !render_widget_host_view_->host_->is_hidden();
+}
+
+SkColor DelegatedFrameHostClientAura::DelegatedFrameHostGetGutterColor(
+    SkColor color) const {
+  // When making an element on the page fullscreen the element's background
+  // may not match the page's, so use black as the gutter color to avoid
+  // flashes of brighter colors during the transition.
+  if (render_widget_host_view_->host_->delegate() &&
+      render_widget_host_view_->host_->delegate()
+          ->IsFullscreenForCurrentTab()) {
+    return SK_ColorBLACK;
+  }
+  return color;
+}
+
+gfx::Size DelegatedFrameHostClientAura::DelegatedFrameHostDesiredSizeInDIP()
+    const {
+  return render_widget_host_view_->window_->bounds().size();
+}
+
+bool DelegatedFrameHostClientAura::DelegatedFrameCanCreateResizeLock() const {
+#if !defined(OS_CHROMEOS)
+  // On Windows and Linux, holding pointer moves will not help throttling
+  // resizes.
+  // TODO(piman): on Windows we need to block (nested message loop?) the
+  // WM_SIZE event. On Linux we need to throttle at the WM level using
+  // _NET_WM_SYNC_REQUEST.
+  return false;
+#else
+  if (render_widget_host_view_->host_->auto_resize_enabled())
+    return false;
+  return true;
+#endif
+}
+
+std::unique_ptr<ResizeLock>
+DelegatedFrameHostClientAura::DelegatedFrameHostCreateResizeLock(
+    bool defer_compositor_lock) {
+  gfx::Size desired_size = render_widget_host_view_->window_->bounds().size();
+  return std::unique_ptr<ResizeLock>(new CompositorResizeLock(
+      render_widget_host_view_->window_->GetHost(), desired_size,
+      defer_compositor_lock,
+      base::TimeDelta::FromMilliseconds(kResizeLockTimeoutMs)));
+}
+
+void DelegatedFrameHostClientAura::DelegatedFrameHostResizeLockWasReleased() {
+  render_widget_host_view_->host_->WasResized();
+}
+
+void DelegatedFrameHostClientAura::
+    DelegatedFrameHostSendReclaimCompositorResources(
+        int compositor_frame_sink_id,
+        bool is_swap_ack,
+        const cc::ReturnedResourceArray& resources) {
+  render_widget_host_view_->host_->Send(new ViewMsg_ReclaimCompositorResources(
+      render_widget_host_view_->host_->GetRoutingID(), compositor_frame_sink_id,
+      is_swap_ack, resources));
+}
+
+void DelegatedFrameHostClientAura::SetBeginFrameSource(
+    cc::BeginFrameSource* source) {
+  if (render_widget_host_view_->begin_frame_source_ &&
+      render_widget_host_view_->added_frame_observer_) {
+    render_widget_host_view_->begin_frame_source_->RemoveObserver(
+        render_widget_host_view_);
+    render_widget_host_view_->added_frame_observer_ = false;
+  }
+  render_widget_host_view_->begin_frame_source_ = source;
+  render_widget_host_view_->UpdateNeedsBeginFramesInternal();
+}
+
+bool DelegatedFrameHostClientAura::IsAutoResizeEnabled() const {
+  return render_widget_host_view_->host_->auto_resize_enabled();
+}
+
+}  // namespace content