[Tracking Patch] Unified gesture detection

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

Index: ui/android/java/src/org/chromium/ui/gfx/ResourcesHelper.java
diff --git a/ui/android/java/src/org/chromium/ui/gfx/ResourcesHelper.java b/ui/android/java/src/org/chromium/ui/gfx/ResourcesHelper.java
new file mode 100644
index 0000000000000000000000000000000000000000..6011ecf9eb46d1c072e0245aed62340ef279b989
--- /dev/null
+++ b/ui/android/java/src/org/chromium/ui/gfx/ResourcesHelper.java
@@ -0,0 +1,37 @@
+// Copyright 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 org.chromium.base.CalledByNative;
+import org.chromium.base.JNINamespace;
+
+/**
+ * Helper class to access system resources.
+ */
+@JNINamespace("gfx")
+public class ResourcesHelper {
+    /**
+     * Determine the id of a system resource given a string identifier and type.
+     *
+     * @param name The resource name.
+     * @return The id of the system resoure.
+     */
+    private static int getIdentifier(String name, String defType) {
+        return Resources.getSystem().getIdentifier(name, defType, "android");
+    }
+
+    /**
+     * Determine the pixel dimension of a named system resource.
+     *
+     * @param name The dimension resource name.
+     * @return The dimension of the system resoure in pixels.
+     */
+    @CalledByNative
+    private static int getDimensionPixelSize(String name) {
+        return Resources.getSystem().getDimensionPixelSize(getIdentifier(name, "dimen"));
+    }
+}