mus: Implement Window Server Capture

components/mus/public/cpp/lib/view.cc

 // Copyright 2014 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 "components/mus/public/cpp/view.h"
 
 #include <set>
 #include <string>
 
 #include "base/bind.h"
@@ skipping 352 matching lines @@
 
 void View::SetImeVisibility(bool visible, mojo::TextInputStatePtr state) {
   // SetImeVisibility() shouldn't be used if the view is not editable.
   DCHECK(state.is_null() || state->type != mojo::TEXT_INPUT_TYPE_NONE);
   if (connection_) {
     static_cast<ViewTreeClientImpl*>(connection_)
         ->SetImeVisibility(id_, visible, state.Pass());
   }
 }
 
+void View::SetCapture() {
+  if (connection_)
+    static_cast<ViewTreeClientImpl*>(connection_)->SetCapture(id_);
+}
+
 void View::SetFocus() {
   if (connection_)
     static_cast<ViewTreeClientImpl*>(connection_)->SetFocus(id_);
 }
 
 bool View::HasFocus() const {
   return connection_ && connection_->GetFocusedView() == this;
 }
 
 void View::Embed(mojo::ViewTreeClientPtr client) {
@@ skipping 223 matching lines @@
       !static_cast<ViewTreeClientImpl*>(connection_)->is_embed_root()) {
     return false;
   }
 
   while (!children_.empty())
     RemoveChild(children_[0]);
   return true;
 }
 
 }  // namespace mus