[WIP] Make content_shell run under Wayland

ui/ozone/platform/wayland/wayland_output.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 "ui/ozone/platform/wayland/wayland_output.h"
 
 #include <wayland-client.h>
 
 #include "ui/ozone/platform/wayland/wayland_connection.h"
 
 namespace ui {
 
-WaylandOutput::WaylandOutput(wl_output* output)
-    : output_(output), rect_(0, 0, 0, 0), observer_(nullptr) {
+WaylandOutput::WaylandOutput(wl_output* output, uint32_t name)
+    : output_(output), name_(name), rect_(0, 0, 0, 0) {
   static const wl_output_listener output_listener = {
       &WaylandOutput::OutputHandleGeometry, &WaylandOutput::OutputHandleMode,
   };
   wl_output_add_listener(output, &output_listener, this);
 }
 
 WaylandOutput::~WaylandOutput() {}
 
 // static
 void WaylandOutput::OutputHandleGeometry(void* data,
@@ skipping 16 matching lines @@
                                      uint32_t flags,
                                      int32_t width,
                                      int32_t height,
                                      int32_t refresh) {
   WaylandOutput* output = static_cast<WaylandOutput*>(data);
 
   if (flags & WL_OUTPUT_MODE_CURRENT) {
     output->rect_.set_width(width);
     output->rect_.set_height(height);
 
-    if (output->observer())
-      output->observer()->OnOutputReadyForUse();
+    if (!WaylandConnection::GetInstance())
+      return;
+
+    WaylandConnection::GetInstance()->OnOutputGeometryChanged(output->name_,
+                                                              output->rect_);
   }
 }
 
 }  // namespace ui