Adding support for long values in MathUtils.clamp()

BUG=None

Review URL: https://codereview.chromium.org/295283003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@272996 0039d316-1c4b-4281-b951-d872f2087c98

chrome/android/java/src/org/chromium/chrome/browser/util/MathUtils.java

@@ -29,6 +29,24 @@ public class MathUtils {
         return value;
     }
 
+    /**
+     * Returns the passed in value if it resides within the specified range (inclusive).  If not,
+     * it will return the closest boundary from the range.  The ordering of the boundary values does
+     * not matter.
+     *
+     * @param value The value to be compared against the range.
+     * @param a First boundary range value.
+     * @param b Second boundary range value.
+     * @return The passed in value if it is within the range, otherwise the closest boundary value.
+     */
+    public static long clamp(long value, long a, long b) {
+        long min = (a > b) ? b : a;
+        long max = (a > b) ? a : b;
+        if (value < min) value = min;
+        else if (value > max) value = max;
+        return value;
+    }
+
     /**
      * Returns the passed in value if it resides within the specified range (inclusive).  If not,
      * it will return the closest boundary from the range.  The ordering of the boundary values does
@@ -46,4 +64,4 @@ public class MathUtils {
         else if (value > max) value = max;
         return value;
     }
-}
\ No newline at end of file
+}