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Unified Diff: cc/trees/layer_tree_host.cc

Issue 16679011: Add viewport scrollbar class to support overlay scrollbars for pinch zoom virtual viewport. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 7 years, 6 months ago
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« cc/input/viewport_scrollbar.cc ('K') | « cc/input/viewport_scrollbar.cc ('k') | cc/trees/layer_tree_impl.cc » ('j') | cc/trees/layer_tree_impl.cc » ('J')
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Index: cc/trees/layer_tree_host.cc
diff --git a/cc/trees/layer_tree_host.cc b/cc/trees/layer_tree_host.cc
index 5e19eb3eb3c8acb70f68dba1d64863f6bb806297..3b2b004dd1e4bca59b54770c04e75a3c93fa6d17 100644
--- a/cc/trees/layer_tree_host.cc
+++ b/cc/trees/layer_tree_host.cc
@@ -718,6 +718,9 @@ void LayerTreeHost::UpdateLayers(Layer* root_layer,
Layer* root_scroll = FindFirstScrollableLayer(root_layer);
+ // TODO(wjmaclean): when settings().use_pinch_virtual_viewport is specified,
+ // pass the page_scale_layer instead of root scroll layer for the page
+ // scale application layer in the following call.
TRACE_EVENT0("cc", "LayerTreeHost::UpdateLayers::CalcDrawProps");
LayerTreeHostCommon::CalculateDrawProperties(
root_layer,
« cc/input/viewport_scrollbar.cc ('K') | « cc/input/viewport_scrollbar.cc ('k') | cc/trees/layer_tree_impl.cc » ('j') | cc/trees/layer_tree_impl.cc » ('J')

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