Mandoline: Rename components/view_manager to components/mus

components/view_manager/view_tree_impl.cc

Index: components/view_manager/view_tree_impl.cc
diff --git a/components/view_manager/view_tree_impl.cc b/components/view_manager/view_tree_impl.cc
deleted file mode 100644
index d16403bcdf5568380f2d21349c1c2dbcd31dc93f..0000000000000000000000000000000000000000
--- a/components/view_manager/view_tree_impl.cc
+++ /dev/null
@@ -1,714 +0,0 @@
-// 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/view_manager/view_tree_impl.h"
-
-#include "base/bind.h"
-#include "base/stl_util.h"
-#include "components/view_manager/connection_manager.h"
-#include "components/view_manager/default_access_policy.h"
-#include "components/view_manager/display_manager.h"
-#include "components/view_manager/server_view.h"
-#include "components/view_manager/view_tree_host_impl.h"
-#include "components/view_manager/window_manager_access_policy.h"
-#include "mojo/converters/geometry/geometry_type_converters.h"
-#include "mojo/converters/ime/ime_type_converters.h"
-#include "mojo/converters/input_events/input_events_type_converters.h"
-#include "mojo/converters/surfaces/surfaces_type_converters.h"
-#include "ui/platform_window/text_input_state.h"
-
-using mojo::Array;
-using mojo::Callback;
-using mojo::Id;
-using mojo::InterfaceRequest;
-using mojo::OrderDirection;
-using mojo::Rect;
-using mojo::ServiceProvider;
-using mojo::ServiceProviderPtr;
-using mojo::String;
-using mojo::ViewDataPtr;
-
-namespace view_manager {
-
-ViewTreeImpl::ViewTreeImpl(
-    ConnectionManager* connection_manager,
-    mojo::ConnectionSpecificId creator_id,
-    const ViewId& root_id)
-    : connection_manager_(connection_manager),
-      id_(connection_manager_->GetAndAdvanceNextConnectionId()),
-      creator_id_(creator_id),
-      client_(nullptr),
-      is_embed_root_(false) {
-  ServerView* view = GetView(root_id);
-  CHECK(view);
-  root_.reset(new ViewId(root_id));
-  if (view->GetRoot() == view) {
-    access_policy_.reset(new WindowManagerAccessPolicy(id_, this));
-    is_embed_root_ = true;
-  } else {
-    access_policy_.reset(new DefaultAccessPolicy(id_, this));
-    is_embed_root_ = (view->get_and_clear_pending_access_policy() &
-                      ViewTree::ACCESS_POLICY_EMBED_ROOT) != 0;
-  }
-}
-
-ViewTreeImpl::~ViewTreeImpl() {
-  DestroyViews();
-}
-
-void ViewTreeImpl::Init(mojo::ViewTreeClient* client, mojo::ViewTreePtr tree) {
-  DCHECK(!client_);
-  client_ = client;
-  std::vector<const ServerView*> to_send;
-  if (root_.get())
-    GetUnknownViewsFrom(GetView(*root_), &to_send);
-
-  // TODO(beng): verify that host can actually be nullptr here.
-  ViewTreeHostImpl* host = GetHost();
-  const ServerView* focused_view = host ? host->GetFocusedView() : nullptr;
-  if (focused_view)
-    focused_view = access_policy_->GetViewForFocusChange(focused_view);
-  const mojo::Id focused_view_transport_id(
-      ViewIdToTransportId(focused_view ? focused_view->id() : ViewId()));
-
-  client->OnEmbed(id_, ViewToViewData(to_send.front()), tree.Pass(),
-                  focused_view_transport_id,
-                  is_embed_root_ ? ViewTree::ACCESS_POLICY_EMBED_ROOT
-                                 : ViewTree::ACCESS_POLICY_DEFAULT);
-}
-
-const ServerView* ViewTreeImpl::GetView(const ViewId& id) const {
-  if (id_ == id.connection_id) {
-    ViewMap::const_iterator i = view_map_.find(id.view_id);
-    return i == view_map_.end() ? NULL : i->second;
-  }
-  return connection_manager_->GetView(id);
-}
-
-bool ViewTreeImpl::IsRoot(const ViewId& id) const {
-  return root_.get() && *root_ == id;
-}
-
-ViewTreeHostImpl* ViewTreeImpl::GetHost() {
-  return root_.get() ?
-      connection_manager_->GetViewTreeHostByView(GetView(*root_)) : nullptr;
-}
-
-void ViewTreeImpl::OnWillDestroyViewTreeImpl(
-    ViewTreeImpl* connection) {
-  if (creator_id_ == connection->id())
-    creator_id_ = kInvalidConnectionId;
-  const ServerView* connection_root =
-      connection->root_ ? connection->GetView(*connection->root_) : nullptr;
-  if (connection_root &&
-      ((connection_root->id().connection_id == id_ &&
-        view_map_.count(connection_root->id().view_id) > 0) ||
-       (is_embed_root_ && IsViewKnown(connection_root)))) {
-    client()->OnEmbeddedAppDisconnected(
-        ViewIdToTransportId(*connection->root_));
-  }
-  if (root_.get() && root_->connection_id == connection->id())
-    root_.reset();
-}
-
-mojo::ErrorCode ViewTreeImpl::CreateView(const ViewId& view_id) {
-  if (view_id.connection_id != id_)
-    return mojo::ERROR_CODE_ILLEGAL_ARGUMENT;
-  if (view_map_.find(view_id.view_id) != view_map_.end())
-    return mojo::ERROR_CODE_VALUE_IN_USE;
-  view_map_[view_id.view_id] = connection_manager_->CreateServerView(view_id);
-  known_views_.insert(ViewIdToTransportId(view_id));
-  return mojo::ERROR_CODE_NONE;
-}
-
-bool ViewTreeImpl::AddView(const ViewId& parent_id, const ViewId& child_id) {
-  ServerView* parent = GetView(parent_id);
-  ServerView* child = GetView(child_id);
-  if (parent && child && child->parent() != parent &&
-      !child->Contains(parent) && access_policy_->CanAddView(parent, child)) {
-    ConnectionManager::ScopedChange change(this, connection_manager_, false);
-    parent->Add(child);
-    return true;
-  }
-  return false;
-}
-
-std::vector<const ServerView*> ViewTreeImpl::GetViewTree(
-    const ViewId& view_id) const {
-  const ServerView* view = GetView(view_id);
-  std::vector<const ServerView*> views;
-  if (view)
-    GetViewTreeImpl(view, &views);
-  return views;
-}
-
-bool ViewTreeImpl::SetViewVisibility(const ViewId& view_id, bool visible) {
-  ServerView* view = GetView(view_id);
-  if (!view || view->visible() == visible ||
-      !access_policy_->CanChangeViewVisibility(view)) {
-    return false;
-  }
-  ConnectionManager::ScopedChange change(this, connection_manager_, false);
-  view->SetVisible(visible);
-  return true;
-}
-
-bool ViewTreeImpl::Embed(const ViewId& view_id,
-                         mojo::ViewTreeClientPtr client,
-                         mojo::ConnectionSpecificId* connection_id) {
-  *connection_id = kInvalidConnectionId;
-  if (!client.get() || !CanEmbed(view_id))
-    return false;
-  PrepareForEmbed(view_id);
-  ViewTreeImpl* new_connection =
-      connection_manager_->EmbedAtView(id_, view_id, client.Pass());
-  if (is_embed_root_)
-    *connection_id = new_connection->id();
-  return true;
-}
-
-void ViewTreeImpl::Embed(const ViewId& view_id, mojo::URLRequestPtr request) {
-  if (!CanEmbed(view_id))
-    return;
-  PrepareForEmbed(view_id);
-  connection_manager_->EmbedAtView(id_, view_id, request.Pass());
-}
-
-void ViewTreeImpl::ProcessViewBoundsChanged(
-    const ServerView* view,
-    const gfx::Rect& old_bounds,
-    const gfx::Rect& new_bounds,
-    bool originated_change) {
-  if (originated_change || !IsViewKnown(view))
-    return;
-  client()->OnViewBoundsChanged(ViewIdToTransportId(view->id()),
-                                Rect::From(old_bounds),
-                                Rect::From(new_bounds));
-}
-
-void ViewTreeImpl::ProcessViewportMetricsChanged(
-    const mojo::ViewportMetrics& old_metrics,
-    const mojo::ViewportMetrics& new_metrics,
-    bool originated_change) {
-  client()->OnViewViewportMetricsChanged(old_metrics.Clone(),
-                                         new_metrics.Clone());
-}
-
-void ViewTreeImpl::ProcessWillChangeViewHierarchy(
-    const ServerView* view,
-    const ServerView* new_parent,
-    const ServerView* old_parent,
-    bool originated_change) {
-  if (originated_change)
-    return;
-
-  const bool old_drawn = view->IsDrawn();
-  const bool new_drawn = view->visible() && new_parent && new_parent->IsDrawn();
-  if (old_drawn == new_drawn)
-    return;
-
-  NotifyDrawnStateChanged(view, new_drawn);
-}
-
-void ViewTreeImpl::ProcessViewPropertyChanged(
-    const ServerView* view,
-    const std::string& name,
-    const std::vector<uint8_t>* new_data,
-    bool originated_change) {
-  if (originated_change)
-    return;
-
-  Array<uint8_t> data;
-  if (new_data)
-    data = Array<uint8_t>::From(*new_data);
-
-  client()->OnViewSharedPropertyChanged(ViewIdToTransportId(view->id()),
-                                        String(name), data.Pass());
-}
-
-void ViewTreeImpl::ProcessViewHierarchyChanged(
-    const ServerView* view,
-    const ServerView* new_parent,
-    const ServerView* old_parent,
-    bool originated_change) {
-  if (originated_change && !IsViewKnown(view) && new_parent &&
-      IsViewKnown(new_parent)) {
-    std::vector<const ServerView*> unused;
-    GetUnknownViewsFrom(view, &unused);
-  }
-  if (originated_change || connection_manager_->is_processing_delete_view() ||
-      connection_manager_->DidConnectionMessageClient(id_)) {
-    return;
-  }
-
-  if (!access_policy_->ShouldNotifyOnHierarchyChange(
-          view, &new_parent, &old_parent)) {
-    return;
-  }
-  // Inform the client of any new views and update the set of views we know
-  // about.
-  std::vector<const ServerView*> to_send;
-  if (!IsViewKnown(view))
-    GetUnknownViewsFrom(view, &to_send);
-  const ViewId new_parent_id(new_parent ? new_parent->id() : ViewId());
-  const ViewId old_parent_id(old_parent ? old_parent->id() : ViewId());
-  client()->OnViewHierarchyChanged(ViewIdToTransportId(view->id()),
-                                   ViewIdToTransportId(new_parent_id),
-                                   ViewIdToTransportId(old_parent_id),
-                                   ViewsToViewDatas(to_send));
-  connection_manager_->OnConnectionMessagedClient(id_);
-}
-
-void ViewTreeImpl::ProcessViewReorder(const ServerView* view,
-                                      const ServerView* relative_view,
-                                      OrderDirection direction,
-                                      bool originated_change) {
-  if (originated_change || !IsViewKnown(view) || !IsViewKnown(relative_view))
-    return;
-
-  client()->OnViewReordered(ViewIdToTransportId(view->id()),
-                            ViewIdToTransportId(relative_view->id()),
-                            direction);
-}
-
-void ViewTreeImpl::ProcessViewDeleted(const ViewId& view,
-                                      bool originated_change) {
-  if (view.connection_id == id_)
-    view_map_.erase(view.view_id);
-
-  const bool in_known = known_views_.erase(ViewIdToTransportId(view)) > 0;
-
-  if (IsRoot(view))
-    root_.reset();
-
-  if (originated_change)
-    return;
-
-  if (in_known) {
-    client()->OnViewDeleted(ViewIdToTransportId(view));
-    connection_manager_->OnConnectionMessagedClient(id_);
-  }
-}
-
-void ViewTreeImpl::ProcessWillChangeViewVisibility(
-    const ServerView* view,
-    bool originated_change) {
-  if (originated_change)
-    return;
-
-  if (IsViewKnown(view)) {
-    client()->OnViewVisibilityChanged(ViewIdToTransportId(view->id()),
-                                      !view->visible());
-    return;
-  }
-
-  bool view_target_drawn_state;
-  if (view->visible()) {
-    // View is being hidden, won't be drawn.
-    view_target_drawn_state = false;
-  } else {
-    // View is being shown. View will be drawn if its parent is drawn.
-    view_target_drawn_state = view->parent() && view->parent()->IsDrawn();
-  }
-
-  NotifyDrawnStateChanged(view, view_target_drawn_state);
-}
-
-void ViewTreeImpl::ProcessFocusChanged(
-    const ServerView* old_focused_view,
-    const ServerView* new_focused_view) {
-  const ServerView* view =
-      new_focused_view ? access_policy_->GetViewForFocusChange(new_focused_view)
-                       : nullptr;
-  client()->OnViewFocused(view ? ViewIdToTransportId(view->id())
-                               : ViewIdToTransportId(ViewId()));
-}
-
-bool ViewTreeImpl::IsViewKnown(const ServerView* view) const {
-  return known_views_.count(ViewIdToTransportId(view->id())) > 0;
-}
-
-bool ViewTreeImpl::CanReorderView(const ServerView* view,
-                                  const ServerView* relative_view,
-                                  OrderDirection direction) const {
-  if (!view || !relative_view)
-    return false;
-
-  if (!view->parent() || view->parent() != relative_view->parent())
-    return false;
-
-  if (!access_policy_->CanReorderView(view, relative_view, direction))
-    return false;
-
-  std::vector<const ServerView*> children = view->parent()->GetChildren();
-  const size_t child_i =
-      std::find(children.begin(), children.end(), view) - children.begin();
-  const size_t target_i =
-      std::find(children.begin(), children.end(), relative_view) -
-      children.begin();
-  if ((direction == mojo::ORDER_DIRECTION_ABOVE && child_i == target_i + 1) ||
-      (direction == mojo::ORDER_DIRECTION_BELOW && child_i + 1 == target_i)) {
-    return false;
-  }
-
-  return true;
-}
-
-bool ViewTreeImpl::DeleteViewImpl(ViewTreeImpl* source, ServerView* view) {
-  DCHECK(view);
-  DCHECK_EQ(view->id().connection_id, id_);
-  ConnectionManager::ScopedChange change(source, connection_manager_, true);
-  delete view;
-  return true;
-}
-
-void ViewTreeImpl::GetUnknownViewsFrom(
-    const ServerView* view,
-    std::vector<const ServerView*>* views) {
-  if (IsViewKnown(view) || !access_policy_->CanGetViewTree(view))
-    return;
-  views->push_back(view);
-  known_views_.insert(ViewIdToTransportId(view->id()));
-  if (!access_policy_->CanDescendIntoViewForViewTree(view))
-    return;
-  std::vector<const ServerView*> children(view->GetChildren());
-  for (size_t i = 0 ; i < children.size(); ++i)
-    GetUnknownViewsFrom(children[i], views);
-}
-
-void ViewTreeImpl::RemoveFromKnown(
-    const ServerView* view,
-    std::vector<ServerView*>* local_views) {
-  if (view->id().connection_id == id_) {
-    if (local_views)
-      local_views->push_back(GetView(view->id()));
-    return;
-  }
-  known_views_.erase(ViewIdToTransportId(view->id()));
-  std::vector<const ServerView*> children = view->GetChildren();
-  for (size_t i = 0; i < children.size(); ++i)
-    RemoveFromKnown(children[i], local_views);
-}
-
-void ViewTreeImpl::RemoveRoot() {
-  CHECK(root_.get());
-  const ViewId root_id(*root_);
-  root_.reset();
-  // No need to do anything if we created the view.
-  if (root_id.connection_id == id_)
-    return;
-
-  client()->OnUnembed();
-  client()->OnViewDeleted(ViewIdToTransportId(root_id));
-  connection_manager_->OnConnectionMessagedClient(id_);
-
-  // This connection no longer knows about the view. Unparent any views that
-  // were parented to views in the root.
-  std::vector<ServerView*> local_views;
-  RemoveFromKnown(GetView(root_id), &local_views);
-  for (size_t i = 0; i < local_views.size(); ++i)
-    local_views[i]->parent()->Remove(local_views[i]);
-}
-
-Array<ViewDataPtr> ViewTreeImpl::ViewsToViewDatas(
-    const std::vector<const ServerView*>& views) {
-  Array<ViewDataPtr> array(views.size());
-  for (size_t i = 0; i < views.size(); ++i)
-    array[i] = ViewToViewData(views[i]).Pass();
-  return array.Pass();
-}
-
-ViewDataPtr ViewTreeImpl::ViewToViewData(const ServerView* view) {
-  DCHECK(IsViewKnown(view));
-  const ServerView* parent = view->parent();
-  // If the parent isn't known, it means the parent is not visible to us (not
-  // in roots), and should not be sent over.
-  if (parent && !IsViewKnown(parent))
-    parent = NULL;
-  ViewDataPtr view_data(mojo::ViewData::New());
-  view_data->parent_id = ViewIdToTransportId(parent ? parent->id() : ViewId());
-  view_data->view_id = ViewIdToTransportId(view->id());
-  view_data->bounds = Rect::From(view->bounds());
-  view_data->properties =
-      mojo::Map<String, Array<uint8_t>>::From(view->properties());
-  view_data->visible = view->visible();
-  view_data->drawn = view->IsDrawn();
-  view_data->viewport_metrics =
-      connection_manager_->GetViewportMetricsForView(view);
-  return view_data.Pass();
-}
-
-void ViewTreeImpl::GetViewTreeImpl(
-    const ServerView* view,
-    std::vector<const ServerView*>* views) const {
-  DCHECK(view);
-
-  if (!access_policy_->CanGetViewTree(view))
-    return;
-
-  views->push_back(view);
-
-  if (!access_policy_->CanDescendIntoViewForViewTree(view))
-    return;
-
-  std::vector<const ServerView*> children(view->GetChildren());
-  for (size_t i = 0 ; i < children.size(); ++i)
-    GetViewTreeImpl(children[i], views);
-}
-
-void ViewTreeImpl::NotifyDrawnStateChanged(const ServerView* view,
-                                           bool new_drawn_value) {
-  // Even though we don't know about view, it may be an ancestor of our root, in
-  // which case the change may effect our roots drawn state.
-  if (!root_.get())
-    return;
-
-  const ServerView* root = GetView(*root_);
-  DCHECK(root);
-  if (view->Contains(root) && (new_drawn_value != root->IsDrawn())) {
-    client()->OnViewDrawnStateChanged(ViewIdToTransportId(root->id()),
-                                      new_drawn_value);
-  }
-}
-
-void ViewTreeImpl::DestroyViews() {
-  if (!view_map_.empty()) {
-    ConnectionManager::ScopedChange change(this, connection_manager_, true);
-    // If we get here from the destructor we're not going to get
-    // ProcessViewDeleted(). Copy the map and delete from the copy so that we
-    // don't have to worry about whether |view_map_| changes or not.
-    ViewMap view_map_copy;
-    view_map_.swap(view_map_copy);
-    STLDeleteValues(&view_map_copy);
-  }
-}
-
-bool ViewTreeImpl::CanEmbed(const ViewId& view_id) const {
-  const ServerView* view = GetView(view_id);
-  return view && access_policy_->CanEmbed(view);
-}
-
-void ViewTreeImpl::PrepareForEmbed(const ViewId& view_id) {
-  const ServerView* view = GetView(view_id);
-  DCHECK(view && access_policy_->CanEmbed(view));
-
-  // Only allow a node to be the root for one connection.
-  ViewTreeImpl* existing_owner =
-      connection_manager_->GetConnectionWithRoot(view_id);
-
-  ConnectionManager::ScopedChange change(this, connection_manager_, true);
-  RemoveChildrenAsPartOfEmbed(view_id);
-  if (existing_owner) {
-    // Never message the originating connection.
-    connection_manager_->OnConnectionMessagedClient(id_);
-    existing_owner->RemoveRoot();
-  }
-}
-
-void ViewTreeImpl::RemoveChildrenAsPartOfEmbed(const ViewId& view_id) {
-  ServerView* view = GetView(view_id);
-  CHECK(view);
-  CHECK(view->id().connection_id == view_id.connection_id);
-  std::vector<ServerView*> children = view->GetChildren();
-  for (size_t i = 0; i < children.size(); ++i)
-    view->Remove(children[i]);
-}
-
-void ViewTreeImpl::CreateView(
-    Id transport_view_id,
-    const Callback<void(mojo::ErrorCode)>& callback) {
-  callback.Run(CreateView(ViewIdFromTransportId(transport_view_id)));
-}
-
-void ViewTreeImpl::DeleteView(
-    Id transport_view_id,
-    const Callback<void(bool)>& callback) {
-  ServerView* view = GetView(ViewIdFromTransportId(transport_view_id));
-  bool success = false;
-  if (view && access_policy_->CanDeleteView(view)) {
-    ViewTreeImpl* connection =
-        connection_manager_->GetConnection(view->id().connection_id);
-    success = connection && connection->DeleteViewImpl(this, view);
-  }
-  callback.Run(success);
-}
-
-void ViewTreeImpl::AddView(
-    Id parent_id,
-    Id child_id,
-    const Callback<void(bool)>& callback) {
-  callback.Run(AddView(ViewIdFromTransportId(parent_id),
-                       ViewIdFromTransportId(child_id)));
-}
-
-void ViewTreeImpl::RemoveViewFromParent(
-    Id view_id,
-    const Callback<void(bool)>& callback) {
-  bool success = false;
-  ServerView* view = GetView(ViewIdFromTransportId(view_id));
-  if (view && view->parent() && access_policy_->CanRemoveViewFromParent(view)) {
-    success = true;
-    ConnectionManager::ScopedChange change(this, connection_manager_, false);
-    view->parent()->Remove(view);
-  }
-  callback.Run(success);
-}
-
-void ViewTreeImpl::ReorderView(Id view_id,
-                               Id relative_view_id,
-                               OrderDirection direction,
-                               const Callback<void(bool)>& callback) {
-  bool success = false;
-  ServerView* view = GetView(ViewIdFromTransportId(view_id));
-  ServerView* relative_view = GetView(ViewIdFromTransportId(relative_view_id));
-  if (CanReorderView(view, relative_view, direction)) {
-    success = true;
-    ConnectionManager::ScopedChange change(this, connection_manager_, false);
-    view->parent()->Reorder(view, relative_view, direction);
-    connection_manager_->ProcessViewReorder(view, relative_view, direction);
-  }
-  callback.Run(success);
-}
-
-void ViewTreeImpl::GetViewTree(
-    Id view_id,
-    const Callback<void(Array<ViewDataPtr>)>& callback) {
-  std::vector<const ServerView*> views(
-      GetViewTree(ViewIdFromTransportId(view_id)));
-  callback.Run(ViewsToViewDatas(views));
-}
-
-void ViewTreeImpl::SetViewBounds(
-    Id view_id,
-    mojo::RectPtr bounds,
-    const Callback<void(bool)>& callback) {
-  ServerView* view = GetView(ViewIdFromTransportId(view_id));
-  const bool success = view && access_policy_->CanSetViewBounds(view);
-  if (success) {
-    ConnectionManager::ScopedChange change(this, connection_manager_, false);
-    view->SetBounds(bounds.To<gfx::Rect>());
-  }
-  callback.Run(success);
-}
-
-void ViewTreeImpl::SetViewVisibility(
-    Id transport_view_id,
-    bool visible,
-    const Callback<void(bool)>& callback) {
-  callback.Run(
-      SetViewVisibility(ViewIdFromTransportId(transport_view_id), visible));
-}
-
-void ViewTreeImpl::SetViewProperty(
-    uint32_t view_id,
-    const mojo::String& name,
-    mojo::Array<uint8_t> value,
-    const mojo::Callback<void(bool)>& callback) {
-  ServerView* view = GetView(ViewIdFromTransportId(view_id));
-  const bool success = view && access_policy_->CanSetViewProperties(view);
-  if (success) {
-    ConnectionManager::ScopedChange change(this, connection_manager_, false);
-
-    if (value.is_null()) {
-      view->SetProperty(name, nullptr);
-    } else {
-      std::vector<uint8_t> data = value.To<std::vector<uint8_t>>();
-      view->SetProperty(name, &data);
-    }
-  }
-  callback.Run(success);
-}
-
-void ViewTreeImpl::RequestSurface(
-    mojo::Id view_id,
-    mojo::InterfaceRequest<mojo::Surface> surface,
-    mojo::SurfaceClientPtr client) {
-  ServerView* view = GetView(ViewIdFromTransportId(view_id));
-  const bool success = view && access_policy_->CanSetViewSurfaceId(view);
-  if (!success)
-    return;
-  view->Bind(surface.Pass(), client.Pass());
-}
-
-void ViewTreeImpl::SetViewTextInputState(
-    uint32_t view_id,
-    mojo::TextInputStatePtr state) {
-  ServerView* view = GetView(ViewIdFromTransportId(view_id));
-  bool success = view && access_policy_->CanSetViewTextInputState(view);
-  if (success)
-    view->SetTextInputState(state.To<ui::TextInputState>());
-}
-
-void ViewTreeImpl::SetImeVisibility(Id transport_view_id,
-                                    bool visible,
-                                    mojo::TextInputStatePtr state) {
-  ServerView* view = GetView(ViewIdFromTransportId(transport_view_id));
-  bool success = view && access_policy_->CanSetViewTextInputState(view);
-  if (success) {
-    if (!state.is_null())
-      view->SetTextInputState(state.To<ui::TextInputState>());
-
-    ViewTreeHostImpl* host = GetHost();
-    if (host)
-      host->SetImeVisibility(view, visible);
-  }
-}
-
-void ViewTreeImpl::SetAccessPolicy(Id transport_view_id,
-                                   uint32 policy_bitmask) {
-  const ViewId view_id(ViewIdFromTransportId(transport_view_id));
-  ServerView* view = GetView(view_id);
-  if (!view)
-    return;
-
-  ViewTreeImpl* existing_owner =
-      connection_manager_->GetConnectionWithRoot(view_id);
-  if (existing_owner)
-    return;  // Only allow changing the access policy when nothing is embedded.
-
-  if (access_policy_->CanSetAccessPolicy(view))
-    view->set_pending_access_policy(policy_bitmask);
-}
-
-void ViewTreeImpl::Embed(mojo::Id transport_view_id,
-                         mojo::ViewTreeClientPtr client,
-                         const EmbedCallback& callback) {
-  mojo::ConnectionSpecificId connection_id = kInvalidConnectionId;
-  const bool result = Embed(ViewIdFromTransportId(transport_view_id),
-                            client.Pass(), &connection_id);
-  callback.Run(result, connection_id);
-}
-
-void ViewTreeImpl::SetFocus(uint32_t view_id) {
-  ServerView* view = GetView(ViewIdFromTransportId(view_id));
-  // TODO(beng): consider shifting non-policy drawn check logic to VTH's
-  //             FocusController.
-  if (view && view->IsDrawn() && access_policy_->CanSetFocus(view)) {
-    ConnectionManager::ScopedChange change(this, connection_manager_, false);
-    ViewTreeHostImpl* host = GetHost();
-    if (host)
-      host->SetFocusedView(view);
-  }
-}
-
-bool ViewTreeImpl::IsRootForAccessPolicy(const ViewId& id) const {
-  return IsRoot(id);
-}
-
-bool ViewTreeImpl::IsViewKnownForAccessPolicy(const ServerView* view) const {
-  return IsViewKnown(view);
-}
-
-bool ViewTreeImpl::IsViewRootOfAnotherConnectionForAccessPolicy(
-    const ServerView* view) const {
-  ViewTreeImpl* connection =
-      connection_manager_->GetConnectionWithRoot(view->id());
-  return connection && connection != this;
-}
-
-bool ViewTreeImpl::IsDescendantOfEmbedRoot(const ServerView* view) {
-  return is_embed_root_ && root_ && GetView(*root_)->Contains(view);
-}
-
-}  // namespace view_manager