Add an option to run Chrome in the views desktop.

chrome/browser/renderer_host/render_widget_host_view_views_gtk.cc

+// Copyright (c) 2011 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 "chrome/browser/renderer_host/render_widget_host_view_views.h"
+
+#include "ui/base/keycodes/keyboard_code_conversion_gtk.h"
+#include "ui/base/x/x11_util.h"
+#include "ui/gfx/gtk_native_view_id_manager.h"
+#include "views/widget/native_widget_gtk.h"
+
+void RenderWidgetHostViewViews::UpdateCursor(const WebCursor& cursor) {
+  // Optimize the common case, where the cursor hasn't changed.
+  // However, we can switch between different pixmaps, so only on the
+  // non-pixmap branch.
+  if (current_cursor_.GetCursorType() != GDK_CURSOR_IS_PIXMAP &&
+      current_cursor_.GetCursorType() == cursor.GetCursorType()) {
+    return;
+  }
+
+  current_cursor_ = cursor;
+  ShowCurrentCursor();
+}
+
+void RenderWidgetHostViewViews::CreatePluginContainer(
+    gfx::PluginWindowHandle id) {
+  // TODO(anicolao): plugin_container_manager_.CreatePluginContainer(id);
+}
+
+void RenderWidgetHostViewViews::DestroyPluginContainer(
+    gfx::PluginWindowHandle id) {
+  // TODO(anicolao): plugin_container_manager_.DestroyPluginContainer(id);
+}
+
+void RenderWidgetHostViewViews::AcceleratedCompositingActivated(
+    bool activated) {
+  // TODO(anicolao): figure out if we need something here
+  if (activated)
+    NOTIMPLEMENTED();
+}
+
+gfx::PluginWindowHandle RenderWidgetHostViewViews::GetCompositingSurface() {
+  GtkNativeViewManager* manager = GtkNativeViewManager::GetInstance();
+  gfx::PluginWindowHandle surface = gfx::kNullPluginWindow;
+  gfx::NativeViewId view_id = gfx::IdFromNativeView(GetInnerNativeView());
+
+  if (!manager->GetXIDForId(&surface, view_id)) {
+    DLOG(ERROR) << "Can't find XID for view id " << view_id;
+  }
+  return surface;
+}
+
+gfx::NativeView RenderWidgetHostViewViews::GetInnerNativeView() const {
+  // TODO(sad): Ideally this function should be equivalent to GetNativeView, and
+  // NativeWidgetGtk-specific function call should not be necessary.
+  const views::Widget* widget = GetWidget();
+  const views::NativeWidget* native = widget ? widget->native_widget() : NULL;
+  return native ? static_cast<const views::NativeWidgetGtk*>(native)->
+      window_contents() : NULL;
+}
+
+void RenderWidgetHostViewViews::ShowCurrentCursor() {
+  // The widget may not have a window. If that's the case, abort mission. This
+  // is the same issue as that explained above in Paint().
+  if (!GetInnerNativeView() || !GetInnerNativeView()->window)
+    return;
+
+  native_cursor_ = current_cursor_.GetNativeCursor();
+}
+