JavaBitmap class JNI clean up, add new functionality

ui/android/java/src/org/chromium/ui/gfx/BitmapHelper.java

Index: ui/android/java/src/org/chromium/ui/gfx/BitmapHelper.java
diff --git a/ui/android/java/src/org/chromium/ui/gfx/BitmapHelper.java b/ui/android/java/src/org/chromium/ui/gfx/BitmapHelper.java
new file mode 100644
index 0000000000000000000000000000000000000000..5e237f70fa3b617cf21e74a42a9ecb94f0dde04a
--- /dev/null
+++ b/ui/android/java/src/org/chromium/ui/gfx/BitmapHelper.java
@@ -0,0 +1,27 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.ui.gfx;
+
+import android.content.res.Resources;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import org.chromium.base.CalledByNative;
+import org.chromium.base.JNINamespace;
+
+@JNINamespace("ui")
+public class BitmapHelper {
+    @CalledByNative
+    public static Bitmap createBitmap(int width, int height) {
+        return Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
+    }
+
+    @CalledByNative
+    public static Bitmap decodeDrawableResource(String name) {
+        Resources res = Resources.getSystem();
+        int resource_id = res.getIdentifier(name, null, null);
+
+        return BitmapFactory.decodeResource(res, resource_id);
+    }
+}