Do not handle mouse wheel events when Ctrl is pressed

Source/core/page/EventHandler.cpp

Index: Source/core/page/EventHandler.cpp
diff --git a/Source/core/page/EventHandler.cpp b/Source/core/page/EventHandler.cpp
index cf16660a6b045b4a2b1d4b08e4effbe9b3232974..f8a4fdb2d56f0039f5086460a1ce1076a0c5e0fc 100644
--- a/Source/core/page/EventHandler.cpp
+++ b/Source/core/page/EventHandler.cpp
@@ -2189,6 +2189,12 @@ bool EventHandler::handleWheelEvent(const PlatformWheelEvent& e)
             RETURN_WHEEL_EVENT_HANDLED();
     }
 
+    // Ctrl + scrollwheel is reserved for triggering zoom in/out actions in Chromium.
+    // When Ctrl is pressed and the event was not canceled by JavaScript code,
+    // return false to notify the caller that the scrollwheel event was not canceled.
+    if (e.ctrlKey())
+        return false;
+
 
     // We do another check on the frame view because the event handler can run JS which results in the frame getting destroyed.
     view = m_frame->view();