Revert of Update mojo sdk to rev e083961bf11fd0c94d40be8853761da529b6d444

mojo/public/java/bindings/src/org/chromium/mojo/bindings/BindingsHelper.java

Index: mojo/public/java/bindings/src/org/chromium/mojo/bindings/BindingsHelper.java
diff --git a/mojo/public/java/bindings/src/org/chromium/mojo/bindings/BindingsHelper.java b/mojo/public/java/bindings/src/org/chromium/mojo/bindings/BindingsHelper.java
index 01cddc4880aaa6042826ae4c6d69173b118d44cf..d97547fbeac1b6b18872bbb4279d35bb44a180c6 100644
--- a/mojo/public/java/bindings/src/org/chromium/mojo/bindings/BindingsHelper.java
+++ b/mojo/public/java/bindings/src/org/chromium/mojo/bindings/BindingsHelper.java
@@ -110,64 +110,6 @@
     }
 
     /**
-     * Returns |true| if and only if the two objects are equals, handling |null|.
-     */
-    public static boolean equals(Object o1, Object o2) {
-        if (o1 == o2) {
-            return true;
-        }
-        if (o1 == null) {
-            return false;
-        }
-        return o1.equals(o2);
-    }
-
-    /**
-     * Returns the hash code of the object, handling |null|.
-     */
-    public static int hashCode(Object o) {
-        if (o == null) {
-            return 0;
-        }
-        return o.hashCode();
-    }
-
-    /**
-     * Returns the hash code of the value.
-     */
-    public static int hashCode(boolean o) {
-        return o ? 1231 : 1237;
-    }
-
-    /**
-     * Returns the hash code of the value.
-     */
-    public static int hashCode(long o) {
-        return (int) (o ^ (o >>> 32));
-    }
-
-    /**
-     * Returns the hash code of the value.
-     */
-    public static int hashCode(float o) {
-        return Float.floatToIntBits(o);
-    }
-
-    /**
-     * Returns the hash code of the value.
-     */
-    public static int hashCode(double o) {
-        return hashCode(Double.doubleToLongBits(o));
-    }
-
-    /**
-     * Returns the hash code of the value.
-     */
-    public static int hashCode(int o) {
-        return o;
-    }
-
-    /**
      * Determines if the given {@code char} value is a Unicode <i>surrogate code unit</i>. See
      * {@link Character#isSurrogate}. Extracting here because the method only exists at API level
      * 19.
@@ -177,7 +119,8 @@
     }
 
     /**
-     * Returns an {@link AsyncWaiter} to use with the given handle, or |null| if none if available.
+     * Returns an {@link AsyncWaiter} to use with the given handle, or <code>null</code> if none if
+     * available.
      */
     static AsyncWaiter getDefaultAsyncWaiterForHandle(Handle handle) {
         if (handle.getCore() != null) {
@@ -186,4 +129,5 @@
             return null;
         }
     }
+
 }