Reland "Raster display item lists via a visual rect RTree."

cc/playback/discardable_image_map_unittest.cc

Index: cc/playback/discardable_image_map_unittest.cc
diff --git a/cc/playback/discardable_image_map_unittest.cc b/cc/playback/discardable_image_map_unittest.cc
index 05585b0d23af4211f9548b6c5e867a5f0a5bbf3b..5c7b4ee785fc1902c5ac140664ce9f4f260ec630 100644
--- a/cc/playback/discardable_image_map_unittest.cc
+++ b/cc/playback/discardable_image_map_unittest.cc
@@ -94,7 +94,7 @@ TEST_F(DiscardableImageMapTest, GetDiscardableImagesInRectTest) {
   {
     DiscardableImageMap::ScopedMetadataGenerator generator(&image_map,
                                                            visible_rect.size());
-    display_list->Raster(generator.canvas(), nullptr, visible_rect, 1.f);
+    display_list->Raster(generator.canvas(), nullptr, gfx::Rect(), 1.f);
   }
 
   for (int y = 0; y < 4; ++y) {
@@ -167,7 +167,7 @@ TEST_F(DiscardableImageMapTest, GetDiscardableImagesInRectNonZeroLayer) {
   {
     DiscardableImageMap::ScopedMetadataGenerator generator(&image_map,
                                                            layer_size);
-    display_list->Raster(generator.canvas(), nullptr, visible_rect, 1.f);
+    display_list->Raster(generator.canvas(), nullptr, gfx::Rect(), 1.f);
   }
 
   for (int y = 0; y < 4; ++y) {
@@ -263,7 +263,7 @@ TEST_F(DiscardableImageMapTest, GetDiscardableImagesInRectOnePixelQuery) {
   {
     DiscardableImageMap::ScopedMetadataGenerator generator(&image_map,
                                                            visible_rect.size());
-    display_list->Raster(generator.canvas(), nullptr, visible_rect, 1.f);
+    display_list->Raster(generator.canvas(), nullptr, gfx::Rect(), 1.f);
   }
 
   for (int y = 0; y < 4; ++y) {
@@ -302,7 +302,7 @@ TEST_F(DiscardableImageMapTest, GetDiscardableImagesInRectMassiveImage) {
   {
     DiscardableImageMap::ScopedMetadataGenerator generator(&image_map,
                                                            visible_rect.size());
-    display_list->Raster(generator.canvas(), nullptr, visible_rect, 1.f);
+    display_list->Raster(generator.canvas(), nullptr, gfx::Rect(), 1.f);
   }
   std::vector<PositionDrawImage> images =
       GetDiscardableImagesInRect(image_map, gfx::Rect(0, 0, 1, 1));