cc: Add command line flags for the various show rect debugging features.

cc/layer_tree_host.cc

 // Copyright 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 "cc/layer_tree_host.h"
 
+#include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/message_loop.h"
 #include "cc/font_atlas.h"
 #include "cc/graphics_context.h"
 #include "cc/heads_up_display_layer.h"
 #include "cc/heads_up_display_layer_impl.h"
 #include "cc/layer.h"
 #include "cc/layer_animation_controller.h"
 #include "cc/layer_iterator.h"
 #include "cc/layer_tree_host_client.h"
 #include "cc/layer_tree_host_common.h"
 #include "cc/layer_tree_host_impl.h"
 #include "cc/math_util.h"
 #include "cc/occlusion_tracker.h"
 #include "cc/overdraw_metrics.h"
 #include "cc/settings.h"
 #include "cc/single_thread_proxy.h"
+#include "cc/switches.h"
 #include "cc/thread.h"
 #include "cc/thread_proxy.h"
 #include "cc/tree_synchronizer.h"
 
 using namespace std;
 
 namespace {
 static int numLayerTreeInstances;
 }
 
@@ skipping 10 matching lines @@
     , showScreenSpaceRects(false)
     , showReplicaScreenSpaceRects(false)
     , showOccludingRects(false)
     , renderVSyncEnabled(true)
     , refreshRate(0)
     , maxPartialTextureUpdates(std::numeric_limits<size_t>::max())
     , defaultTileSize(gfx::Size(256, 256))
     , maxUntiledLayerSize(gfx::Size(512, 512))
     , minimumOcclusionTrackingSize(gfx::Size(160, 160))
 {
+    // TODO(danakj): Move this to chromium when we don't go through the WebKit API anymore.
+    showPropertyChangedRects = CommandLine::ForCurrentProcess()->HasSwitch(cc::switches::kShowPropertyChangedRects);

[tfarina, 2012/11/13 15:00:19]

do we need cc:: here? We are in cc namespace already.

+    showSurfaceDamageRects = CommandLine::ForCurrentProcess()->HasSwitch(cc::switches::kShowSurfaceDamageRects);
+    showScreenSpaceRects = CommandLine::ForCurrentProcess()->HasSwitch(cc::switches::kShowScreenSpaceRects);
+    showReplicaScreenSpaceRects = CommandLine::ForCurrentProcess()->HasSwitch(cc::switches::kShowReplicaScreenSpaceRects);
+    showOccludingRects = CommandLine::ForCurrentProcess()->HasSwitch(cc::switches::kShowOccludingRects);
 }
 
 LayerTreeSettings::~LayerTreeSettings()
 {
 }
 
 RendererCapabilities::RendererCapabilities()
     : bestTextureFormat(0)
     , contextHasCachedFrontBuffer(false)
     , usingPartialSwap(false)
@@ skipping 774 matching lines @@
             else
                 layer->notifyAnimationFinished(wallClockTime.ToDoubleT());
         }
     }
 
     for (size_t childIndex = 0; childIndex < layer->children().size(); ++childIndex)
         setAnimationEventsRecursive(events, layer->children()[childIndex].get(), wallClockTime);
 }
 
 }  // namespace cc