Fix mouse wheel scrolling on PDFs.

content/browser/renderer_host/render_widget_host_view_aura_unittest.cc

Index: content/browser/renderer_host/render_widget_host_view_aura_unittest.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_aura_unittest.cc b/content/browser/renderer_host/render_widget_host_view_aura_unittest.cc
index d7b67bd56b2d0a611af5ee0db737fb732591d761..34aa19caad375907f56a507eb6c27d074ed2a157 100644
--- a/content/browser/renderer_host/render_widget_host_view_aura_unittest.cc
+++ b/content/browser/renderer_host/render_widget_host_view_aura_unittest.cc
@@ -4108,7 +4108,7 @@ TEST_F(RenderWidgetHostViewAuraTest, SetCanScrollForWebMouseWheelEvent) {
   wheel_event = static_cast<const WebMouseWheelEvent*>(input_event);
   // Check if the canScroll set to true when no modifier is applied to the
   // mouse wheel event.
-  EXPECT_EQ(!UseGestureBasedWheelScrolling(), wheel_event->canScroll);
+  EXPECT_TRUE(wheel_event->canScroll);
   sink_->ClearMessages();
 
   SendInputEventACK(blink::WebInputEvent::MouseWheel,
@@ -4123,7 +4123,7 @@ TEST_F(RenderWidgetHostViewAuraTest, SetCanScrollForWebMouseWheelEvent) {
   wheel_event = static_cast<const WebMouseWheelEvent*>(input_event);
   // Check if the canScroll set to true when ctrl-touchpad-scroll is generated
   // from scroll event.
-  EXPECT_EQ(!UseGestureBasedWheelScrolling(), wheel_event->canScroll);
+  EXPECT_TRUE(wheel_event->canScroll);
 }
 
 // Ensures that the mapping from ui::TouchEvent to blink::WebTouchEvent doesn't