Disabled pinch zooming in non-browser Aura windows.

content/public/browser/web_contents_delegate.cc

Index: content/public/browser/web_contents_delegate.cc
diff --git a/content/public/browser/web_contents_delegate.cc b/content/public/browser/web_contents_delegate.cc
index 63ad65baeabd93980bd423d3078685cb4074f52b..f6666d5a12f1158bdd406f2b7942231511a37709 100644
--- a/content/public/browser/web_contents_delegate.cc
+++ b/content/public/browser/web_contents_delegate.cc
@@ -11,6 +11,7 @@
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/url_constants.h"
 #include "content/public/common/bindings_policy.h"
+#include "third_party/WebKit/public/web/WebInputEvent.h"
 #include "ui/gfx/rect.h"
 
 namespace content {
@@ -110,6 +111,15 @@ bool WebContentsDelegate::PreHandleKeyboardEvent(
   return false;
 }
 
+bool WebContentsDelegate::PreHandleGestureEvent(
+    WebContents* source,
+    const blink::WebGestureEvent& event) {
+  // By default, swallow pinch events

[sadrul, 2014/01/13 21:55:19]

This is only on desktop, right? So check !defined(OS_ANDROID)?

[bokan, 2014/01/13 22:45:09]

Yup. Added. I'm assuming Android doesn't use browser/ui/browser.cc and has it's
own implementation of WebContentsDelegate?

+  return event.type == blink::WebGestureEvent::GesturePinchBegin ||
+      event.type == blink::WebGestureEvent::GesturePinchUpdate ||
+      event.type == blink::WebGestureEvent::GesturePinchEnd;
+}
+
 bool WebContentsDelegate::CanDragEnter(
     WebContents* source,
     const DropData& data,