[List UI Unification] Basic list unification for phones

chrome/android/java/src/org/chromium/chrome/browser/download/ui/DownloadItemView.java

Index: chrome/android/java/src/org/chromium/chrome/browser/download/ui/DownloadItemView.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/download/ui/DownloadItemView.java b/chrome/android/java/src/org/chromium/chrome/browser/download/ui/DownloadItemView.java
index ca5f2c22ed16620fd0d9b2bf08d25fa8ebbc23ce..24f1eaaa65c64c20e52754791bcade9503173804 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/download/ui/DownloadItemView.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/download/ui/DownloadItemView.java
@@ -22,6 +22,7 @@ import org.chromium.chrome.browser.widget.TintedImageButton;
 import org.chromium.chrome.browser.widget.TintedImageView;
 import org.chromium.chrome.browser.widget.selection.SelectableItemView;
 import org.chromium.ui.UiUtils;
+import org.chromium.ui.base.DeviceFormFactor;
 
 /**
  * The view for a downloaded item displayed in the Downloads list.
@@ -105,6 +106,10 @@ public class DownloadItemView extends SelectableItemView<DownloadHistoryItemWrap
                 mItem.cancel();
             }
         });
+
+        if (!DeviceFormFactor.isLargeTablet(getContext())) {
+            setLateralMarginsForDefaultDisplay(mLayoutContainer);
+        }
     }
 
     @Override
@@ -194,6 +199,9 @@ public class DownloadItemView extends SelectableItemView<DownloadHistoryItemWrap
                         (MarginLayoutParams) mDownloadPercentageView.getLayoutParams(), mMargin);
             }
         }
+
+        setBackgroundResourceForGroupPosition(
+                getItem().isFirstInGroup(), getItem().isLastInGroup());
     }
 
     /**
@@ -224,6 +232,13 @@ public class DownloadItemView extends SelectableItemView<DownloadHistoryItemWrap
         updateIconView();
     }
 
+    @Override
+    public void setBackgroundResourceForGroupPosition(
+            boolean isFirstInGroup, boolean isLastInGroup) {
+        if (DeviceFormFactor.isLargeTablet(getContext())) return;
+        super.setBackgroundResourceForGroupPosition(isFirstInGroup, isLastInGroup);
+    }
+
     private void updateIconView() {
         if (isChecked()) {
             mIconView.setBackgroundColor(mIconBackgroundColorSelected);