Fix tests to ship Aura overlay scrollbars for ChromeOS

content/renderer/render_view_browsertest.cc

Index: content/renderer/render_view_browsertest.cc
diff --git a/content/renderer/render_view_browsertest.cc b/content/renderer/render_view_browsertest.cc
index a3b4a3c0d41c9f3953dee4e9a3c556b5ebdd3266..523fec53f64df75e2a3b70fa089d088f13273636 100644
--- a/content/renderer/render_view_browsertest.cc
+++ b/content/renderer/render_view_browsertest.cc
@@ -75,7 +75,6 @@
 #include "third_party/WebKit/public/web/WebHistoryItem.h"
 #include "third_party/WebKit/public/web/WebLocalFrame.h"
 #include "third_party/WebKit/public/web/WebPerformance.h"
-#include "third_party/WebKit/public/web/WebRuntimeFeatures.h"
 #include "third_party/WebKit/public/web/WebScriptSource.h"
 #include "third_party/WebKit/public/web/WebSettings.h"
 #include "third_party/WebKit/public/web/WebView.h"
@@ -105,7 +104,6 @@ using blink::WebFrameContentDumper;
 using blink::WebInputEvent;
 using blink::WebLocalFrame;
 using blink::WebMouseEvent;
-using blink::WebRuntimeFeatures;
 using blink::WebString;
 using blink::WebTextDirection;
 using blink::WebURLError;
@@ -215,14 +213,6 @@ class RenderViewImplTest : public RenderViewTest {
 
   ~RenderViewImplTest() override {}
 
-  void SetUp() override {
-    // Enable Blink's experimental and test only features so that test code
-    // does not have to bother enabling each feature.
-    WebRuntimeFeatures::enableExperimentalFeatures(true);
-    WebRuntimeFeatures::enableTestOnlyFeatures(true);
-    RenderViewTest::SetUp();
-  }
-
   RenderViewImpl* view() {
     return static_cast<RenderViewImpl*>(view_);
   }