[RemotePlayback] Use poster image as on lockscreen

chrome/android/java/src/org/chromium/chrome/browser/media/ui/MediaSessionTabHelper.java

Index: chrome/android/java/src/org/chromium/chrome/browser/media/ui/MediaSessionTabHelper.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/media/ui/MediaSessionTabHelper.java b/chrome/android/java/src/org/chromium/chrome/browser/media/ui/MediaSessionTabHelper.java
index e7667418348b71db981690f4357c0498a5cb6eea..f1b70d18b607139fd3c096d3b40c165bc45c44f9 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/media/ui/MediaSessionTabHelper.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/media/ui/MediaSessionTabHelper.java
@@ -41,7 +41,6 @@ public class MediaSessionTabHelper implements MediaImageCallback {
     private static final String TAG = "MediaSession";
 
     private static final String UNICODE_PLAY_CHARACTER = "\u25B6";
-    private static final int MINIMAL_FAVICON_SIZE = 114;
     private static final int HIDE_NOTIFICATION_DELAY_MILLIS = 1000;
 
     private Tab mTab;
@@ -352,8 +351,9 @@ public class MediaSessionTabHelper implements MediaImageCallback {
     private MediaSessionTabHelper(Tab tab) {
         mTab = tab;
         mTab.addObserver(mTabObserver);
-        mMediaImageManager = new MediaImageManager(
-                MINIMAL_FAVICON_SIZE, MediaNotificationManager.getIdealMediaImageSize());
+        mMediaImageManager =
+                new MediaImageManager(MediaNotificationManager.MINIMAL_MEDIA_IMAGE_SIZE_PX,
+                        MediaNotificationManager.getIdealMediaImageSize());
         if (mTab.getWebContents() != null) setWebContents(tab.getWebContents());
 
         Activity activity = getActivityFromTab(mTab);
@@ -417,9 +417,7 @@ public class MediaSessionTabHelper implements MediaImageCallback {
     private boolean updateFavicon(Bitmap icon) {
         if (icon == null) return false;
 
-        if (icon.getWidth() < MINIMAL_FAVICON_SIZE || icon.getHeight() < MINIMAL_FAVICON_SIZE) {
-            return false;
-        }
+        if (!MediaNotificationManager.isBitmapSuitableAsMediaImage(icon)) return false;
         if (mFavicon != null && (icon.getWidth() < mFavicon.getWidth()
                                         || icon.getHeight() < mFavicon.getHeight())) {
             return false;