Implementation of GetFavicon for current tab.

chrome/android/java/src/org/chromium/chrome/browser/Tab.java

Index: chrome/android/java/src/org/chromium/chrome/browser/Tab.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/Tab.java b/chrome/android/java/src/org/chromium/chrome/browser/Tab.java
index ecc4529617952ece3609534d31240d2fd6515b2a..15f9ffc2b7d4055035db194c57c79be92e062de1 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/Tab.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/Tab.java
@@ -880,10 +880,11 @@ public class Tab implements NavigationClient {
     /**
      * @return The bitmap of the favicon scaled to 16x16dp. null if no favicon
      *         is specified or it requires the default favicon.
-     *         TODO(bauerb): Upstream implementation.
      */
     public Bitmap getFavicon() {
-        return null;
+        if (mNativeTabAndroid == 0)
+            return null;
+        return nativeGetFavicon(mNativeTabAndroid);
     }
 
     /**
@@ -1151,4 +1152,5 @@ public class Tab implements NavigationClient {
     private native void nativeSetActiveNavigationEntryTitleForUrl(long nativeTabAndroid, String url,
             String title);
     private native boolean nativePrint(long nativeTabAndroid);
+    private native Bitmap nativeGetFavicon(long nativeTabAndroid);
 }