Add command line switches and about:flag to enable FPS indicator and compositor layer tree.

chrome/common/render_messages.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 "base/values.h"
 #include "chrome/common/edit_command.h"
 #include "chrome/common/extensions/extension_extent.h"
 #include "chrome/common/extensions/url_pattern.h"
 #include "chrome/common/gpu_param_traits.h"
 #include "chrome/common/render_messages_params.h"
@@ skipping 650 matching lines @@
   WriteParam(m, p.user_style_sheet_enabled);
   WriteParam(m, p.user_style_sheet_location);
   WriteParam(m, p.author_and_user_styles_enabled);
   WriteParam(m, p.frame_flattening_enabled);
   WriteParam(m, p.allow_universal_access_from_file_urls);
   WriteParam(m, p.allow_file_access_from_file_urls);
   WriteParam(m, p.webaudio_enabled);
   WriteParam(m, p.experimental_webgl_enabled);
   WriteParam(m, p.gl_multisampling_enabled);
   WriteParam(m, p.show_composited_layer_borders);
+  WriteParam(m, p.show_composited_layer_tree);
+  WriteParam(m, p.show_fps_counter);

[Vangelis Kokkevis, 2011/02/24 07:07:11]

You also need to add those in the ::Read method

[nduca, 2011/03/03 20:04:06]

Done.

   WriteParam(m, p.accelerated_compositing_enabled);
   WriteParam(m, p.accelerated_2d_canvas_enabled);
   WriteParam(m, p.accelerated_plugins_enabled);
   WriteParam(m, p.accelerated_layers_enabled);
   WriteParam(m, p.accelerated_video_enabled);
   WriteParam(m, p.memory_info_enabled);
   WriteParam(m, p.interactive_form_validation_enabled);
 }
 
 bool ParamTraits<WebPreferences>::Read(const Message* m, void** iter,
@@ skipping 489 matching lines @@
   l->append("(");
   LogParam(p.pending_bytes, l);
   l->append(", ");
   LogParam(p.hardware_delay_bytes, l);
   l->append(", ");
   LogParam(p.timestamp, l);
   l->append(")");
 }
 
 }  // namespace IPC