Devise pixel ratio should be used by default if using Chrome commands

Author: glibas

src/main/java/com/assertthat/selenium_shutterbug/core/Shutterbug.java

@@ -98,7 +98,13 @@ public static PageSnapshot shootPage(WebDriver driver, ScrollStrategy scroll, bo
      * @return PageSnapshot instance
      */
     public static PageSnapshot shootPage(WebDriver driver, ScrollStrategy scroll, int scrollTimeout, boolean useDevicePixelRatio) {
-        Browser browser = new Browser(driver, useDevicePixelRatio);
+        Browser browser;
+        if(scroll.equals(ScrollStrategy.WHOLE_PAGE_CHROME)){
+            //should use devicePixelRatio by default as chrome command executor makes screenshot account for that
+            browser = new Browser(driver, true);
+        }else {
+            browser = new Browser(driver, useDevicePixelRatio);
+        }
         browser.setScrollTimeout(scrollTimeout);
         PageSnapshot pageScreenshot = new PageSnapshot(driver, browser.getDevicePixelRatio());
         switch (scroll) {