Replace assets for avatar placeholder on Android

chrome/android/java/src/org/chromium/chrome/browser/preferences/SignInPreference.java

Index: chrome/android/java/src/org/chromium/chrome/browser/preferences/SignInPreference.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/preferences/SignInPreference.java b/chrome/android/java/src/org/chromium/chrome/browser/preferences/SignInPreference.java
index a78769f4584c6fa1bdc412702646a8a96043b668..1bdfc1032e7a1a0881617bfdf6b8dd3ebfb37c0d 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/preferences/SignInPreference.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/preferences/SignInPreference.java
@@ -5,10 +5,10 @@
 package org.chromium.chrome.browser.preferences;
 
 import android.content.Context;
-import android.content.res.Resources;
 import android.graphics.Bitmap;
 import android.graphics.drawable.BitmapDrawable;
 import android.preference.Preference;
+import android.support.v7.content.res.AppCompatResources;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.view.View;
@@ -121,7 +121,7 @@ public class SignInPreference extends Preference
         setTitle(R.string.sign_in_to_chrome);
         setSummary(R.string.sign_in_to_chrome_summary);
         setFragment(null);
-        setIcon(R.drawable.account_management_no_picture);
+        setIcon(AppCompatResources.getDrawable(getContext(), R.drawable.logo_avatar_anonymous));
         setWidgetLayoutResource(0);
         setViewEnabled(true);
     }
@@ -142,9 +142,8 @@ public class SignInPreference extends Preference
         setSummary(SyncPreference.getSyncStatusSummary(getContext()));
         setFragment(AccountManagementFragment.class.getName());
 
-        Resources resources = getContext().getResources();
-        Bitmap bitmap = AccountManagementFragment.getUserPicture(accountName, resources);
-        setIcon(new BitmapDrawable(resources, bitmap));
+        Bitmap bitmap = AccountManagementFragment.getUserPicture(accountName, getContext());
+        setIcon(new BitmapDrawable(getContext().getResources(), bitmap));
 
         setWidgetLayoutResource(
                 SyncPreference.showSyncErrorIcon(getContext()) ? R.layout.sync_error_widget : 0);
@@ -187,7 +186,8 @@ public class SignInPreference extends Preference
     @Override
     public void onProfileDownloaded(String accountId, String fullName, String givenName,
             Bitmap bitmap) {
-        AccountManagementFragment.updateUserNamePictureCache(accountId, fullName, bitmap);
+        AccountManagementFragment.updateUserNamePictureCache(
+                getContext(), accountId, fullName, bitmap);
         update();
     }