[Android] Restrict tests inheriting from DocumentModeTestBase to phones.

base/test/android/javatests/src/org/chromium/base/test/util/SkipCheck.java

Index: base/test/android/javatests/src/org/chromium/base/test/util/SkipCheck.java
diff --git a/base/test/android/javatests/src/org/chromium/base/test/util/SkipCheck.java b/base/test/android/javatests/src/org/chromium/base/test/util/SkipCheck.java
index cb21dfd98b623891bea778bb57b1b62652cf6e7f..b55a83896d3a149576f8d1cdaab9d5a861fc4164 100644
--- a/base/test/android/javatests/src/org/chromium/base/test/util/SkipCheck.java
+++ b/base/test/android/javatests/src/org/chromium/base/test/util/SkipCheck.java
@@ -8,7 +8,11 @@ import junit.framework.TestCase;
 
 import org.chromium.base.Log;
 
+import java.lang.annotation.Annotation;
+import java.lang.reflect.AnnotatedElement;
 import java.lang.reflect.Method;
+import java.util.ArrayList;
+import java.util.List;
 
 /**
  * Check whether a test case should be skipped.
@@ -35,5 +39,22 @@ public abstract class SkipCheck {
             return null;
         }
     }
+
+    protected static <T extends Annotation> List<T> getAnnotations(AnnotatedElement element,
+            Class<T> annotationClass) {
+        AnnotatedElement parent = (element instanceof Method)
+                ? ((Method) element).getDeclaringClass()
+                : ((Class) element).getSuperclass();
+        List<T> annotations = (parent == null)
+                ? new ArrayList<T>()
+                : getAnnotations(parent, annotationClass);
+        Annotation[] allAnnotations = element.getAnnotations();
+        for (Annotation a : allAnnotations) {
+            if (annotationClass.isInstance(a)) {
+                annotations.add((T) a);
+            }
+        }
+        return annotations;
+    }
 }