Support all drawable types in DropdownItem.

ui/android/java/src/org/chromium/ui/DropdownAdapter.java

Index: ui/android/java/src/org/chromium/ui/DropdownAdapter.java
diff --git a/ui/android/java/src/org/chromium/ui/DropdownAdapter.java b/ui/android/java/src/org/chromium/ui/DropdownAdapter.java
index 92a7f57dfdeb68d40dba3733f6a7c387a5d3a2b4..ce74633ee7f54225aa6b82436ec8f04c7dd1930a 100644
--- a/ui/android/java/src/org/chromium/ui/DropdownAdapter.java
+++ b/ui/android/java/src/org/chromium/ui/DropdownAdapter.java
@@ -7,7 +7,7 @@ package org.chromium.ui;
 import android.content.Context;
 import android.graphics.Color;
 import android.graphics.Typeface;
-import android.support.graphics.drawable.VectorDrawableCompat;
+import android.support.v7.content.res.AppCompatResources;
 import android.text.TextUtils;
 import android.util.TypedValue;
 import android.view.LayoutInflater;
@@ -173,11 +173,10 @@ public class DropdownAdapter extends ArrayAdapter<DropdownItem> {
         }
 
         ImageView iconView = item.isIconAtStart() ? iconViewStart : iconViewEnd;
-        if (item.getVectorDrawableIconId() == DropdownItem.NO_ICON) {
+        if (item.getIconId() == DropdownItem.NO_ICON) {
             iconView.setVisibility(View.GONE);
         } else {
-            iconView.setImageDrawable(VectorDrawableCompat.create(mContext.getResources(),
-                    item.getVectorDrawableIconId(), mContext.getTheme()));
+            iconView.setImageDrawable(AppCompatResources.getDrawable(mContext, item.getIconId()));
             iconView.setVisibility(View.VISIBLE);
         }