[Contextual Search] Fixing pixel gaps in Search Panel.

chrome/browser/android/compositor/layer/contextual_search_layer.cc

Index: chrome/browser/android/compositor/layer/contextual_search_layer.cc
diff --git a/chrome/browser/android/compositor/layer/contextual_search_layer.cc b/chrome/browser/android/compositor/layer/contextual_search_layer.cc
index b98bbb39ec5b0d43bbc6175c944017cb28a7c5ca..317eef0cfe085b8ae5f4d8bef68351b2ab4196b6 100644
--- a/chrome/browser/android/compositor/layer/contextual_search_layer.cc
+++ b/chrome/browser/android/compositor/layer/contextual_search_layer.cc
@@ -72,6 +72,10 @@ void ContextualSearchLayer::SetProperties(
   DCHECK(search_provider_icon_resource);
   DCHECK(search_icon_resource);
 
+  // Round values to avoid pixel gap between layers.
+  search_bar_height = floor(search_bar_height);
+  search_bar_margin_top = floor(search_bar_margin_top);
+
   // ---------------------------------------------------------------------------
   // Search Bar Background
   // ---------------------------------------------------------------------------