Add overloaded frame capturing method

Author: glibas

Diff for: src/main/java/com/assertthat/selenium_shutterbug/core/Shutterbug.java

@@ -301,6 +301,21 @@ public static PageSnapshot shootFrame(WebDriver driver, WebElement frame,
                 useDevicePixelRatio);
     }
 
+    /**
+     * To be used when screenshotting the frame
+     * and need to scroll while making screenshots, either vertically or
+     * horizontally or both directions.
+     *
+     * @param driver              WebDriver instance
+     * @param capture             Capture type
+     * @return PageSnapshot instance
+     */
+    public static PageSnapshot shootFrame(WebDriver driver, WebElement frame,
+                                          Capture capture) {
+        return shootFrame(driver, frame, capture, 0,
+                true);
+    }
+
     /**
      * To be used when screenshotting the frame
      * and need to scroll while making screenshots, either vertically or