cc: Remove OverdrawMetrics and --trace-overdraw flag.

cc/layers/scrollbar_layer_unittest.cc

 // Copyright 2012 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/containers/hash_tables.h"
 #include "cc/animation/scrollbar_animation_controller.h"
 #include "cc/layers/append_quads_data.h"
 #include "cc/layers/painted_scrollbar_layer.h"
 #include "cc/layers/painted_scrollbar_layer_impl.h"
 #include "cc/layers/scrollbar_layer_interface.h"
@@ skipping 634 matching lines @@
     scrollbar_layer->draw_properties().content_bounds = gfx::Size(100, 200);
     scrollbar_layer->draw_properties().visible_content_rect =
         gfx::Rect(0, 0, 100, 200);
     scrollbar_layer->CreateRenderSurface();
     scrollbar_layer->draw_properties().render_target = scrollbar_layer.get();
 
     testing::Mock::VerifyAndClearExpectations(layer_tree_host_.get());
     EXPECT_EQ(scrollbar_layer->layer_tree_host(), layer_tree_host_.get());
 
     ResourceUpdateQueue queue;
-    OcclusionTracker<Layer> occlusion_tracker(gfx::Rect(), false);
+    gfx::Rect screen_space_clip_rect;
+    OcclusionTracker<Layer> occlusion_tracker(screen_space_clip_rect);
 
     scrollbar_layer->SavePaintProperties();
     for (int update_counter = 0; update_counter < num_updates; update_counter++)
       scrollbar_layer->Update(&queue, &occlusion_tracker);
 
     // A non-solid-color scrollbar should have requested two textures.
     EXPECT_EQ(expected_resources, layer_tree_host_->UIResourceCount());
     EXPECT_EQ(expected_created, layer_tree_host_->TotalUIResourceCreated());
     EXPECT_EQ(expected_deleted, layer_tree_host_->TotalUIResourceDeleted());
 
@@ skipping 65 matching lines @@
                   scaled_location.y(),
                   scaled_size.width(),
                   scaled_size.height());
     scrollbar_layer->CreateRenderSurface();
     scrollbar_layer->draw_properties().render_target = scrollbar_layer.get();
 
     testing::Mock::VerifyAndClearExpectations(layer_tree_host_.get());
     EXPECT_EQ(scrollbar_layer->layer_tree_host(), layer_tree_host_.get());
 
     ResourceUpdateQueue queue;
-    OcclusionTracker<Layer> occlusion_tracker(gfx::Rect(), false);
+    gfx::Rect screen_space_clip_rect;
+    OcclusionTracker<Layer> occlusion_tracker(screen_space_clip_rect);
     scrollbar_layer->SavePaintProperties();
     scrollbar_layer->Update(&queue, &occlusion_tracker);
 
     // Verify that we have not generated any content uploads that are larger
     // than their destination textures.
 
     gfx::Size track_size = layer_tree_host_->ui_resource_size(
         scrollbar_layer->track_resource_id());
     gfx::Size thumb_size = layer_tree_host_->ui_resource_size(
         scrollbar_layer->thumb_resource_id());
@@ skipping 55 matching lines @@
         gfx::Size(scaled_size.width(), scaled_size.height());
     scrollbar_layer->draw_properties().contents_scale_x = test_scale;
     scrollbar_layer->draw_properties().contents_scale_y = test_scale;
     scrollbar_layer->draw_properties().visible_content_rect =
         gfx::Rect(scaled_location.x(),
                   scaled_location.y(),
                   scaled_size.width(),
                   scaled_size.height());
 
     ResourceUpdateQueue queue;
-    OcclusionTracker<Layer> occlusion_tracker(gfx::Rect(), false);
+    gfx::Rect screen_space_clip_rect;
+    OcclusionTracker<Layer> occlusion_tracker(screen_space_clip_rect);
     scrollbar_layer->SavePaintProperties();
 
     scrollbar_layer->Update(&queue, &occlusion_tracker);
 
     UIResourceBitmap* bitmap = layer_tree_host_->ui_resource_bitmap(
         scrollbar_layer->track_resource_id());
 
     DCHECK(bitmap);
 
     AutoLockUIResourceBitmap locked_bitmap(*bitmap);
@@ skipping 40 matching lines @@
   TestScale(gfx::Rect(1240, 0, 15, 1333), 2.7754839f);
   TestScale(gfx::Rect(1240, 0, 15, 677), 2.46677136f);
 
   // Horizontal Scrollbars.
   TestScale(gfx::Rect(0, 1240, 1333, 15), 2.7754839f);
   TestScale(gfx::Rect(0, 1240, 677, 15), 2.46677136f);
 }
 
 }  // namespace
 }  // namespace cc