Do not include toolbar shadow for UIResourceLayer snapshot

chrome/android/java/src/org/chromium/chrome/browser/compositor/layouts/LayoutManagerDocument.java

Index: chrome/android/java/src/org/chromium/chrome/browser/compositor/layouts/LayoutManagerDocument.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/compositor/layouts/LayoutManagerDocument.java b/chrome/android/java/src/org/chromium/chrome/browser/compositor/layouts/LayoutManagerDocument.java
index 6794f2b1f86eb1063cbf2ea8889bab265971f2bb..3afc0567aeb82f76348e5246f95c4e86abfbe25d 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/compositor/layouts/LayoutManagerDocument.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/compositor/layouts/LayoutManagerDocument.java
@@ -133,6 +133,8 @@ public class LayoutManagerDocument extends LayoutManager
         // Initialize Layouts
         mStaticLayout.setTabModelSelector(selector, content);
 
+        mToolbarOverlay.setTabModelSelector(selector);
+
         // Initialize Contextual Search Panel
         mContextualSearchPanel.setManagementDelegate(contextualSearchDelegate);
 
@@ -260,10 +262,13 @@ public class LayoutManagerDocument extends LayoutManager
         String url = tab.getUrl();
         boolean isNativePage = url != null && url.startsWith(UrlConstants.CHROME_NATIVE_SCHEME);
         int themeColor = tab.getThemeColor();
+        boolean needsToolbarShadow = tab.getNativePage() == null
+                ? true : tab.getNativePage().needsToolbarShadow();
         boolean canUseLiveTexture =
                 tab.getContentViewCore() != null && !tab.isShowingSadTab() && !isNativePage;
-        boolean needsUpdate = layoutTab.initFromHost(tab.getBackgroundColor(), tab.shouldStall(),
-                canUseLiveTexture, themeColor, ColorUtils.getTextBoxColorForToolbarBackground(
+        boolean needsUpdate = layoutTab.initFromHost(needsToolbarShadow, tab.getBackgroundColor(),
+                tab.shouldStall(), canUseLiveTexture, themeColor,
+                ColorUtils.getTextBoxColorForToolbarBackground(
                                     mContext.getResources(), tab, themeColor),
                 ColorUtils.getTextBoxAlphaForToolbarBackground(tab));
         if (needsUpdate) requestUpdate();