Disabled pinch zooming in non-browser Aura windows.

chrome/browser/ui/autofill/autofill_dialog_sign_in_delegate.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/autofill/autofill_dialog_sign_in_delegate.h"
 
 #include "chrome/browser/ui/autofill/autofill_dialog_view.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/browser_tabstrip.h"
 #include "components/autofill/content/browser/wallet/wallet_service_url.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/renderer_preferences.h"
+#include "third_party/WebKit/public/web/WebInputEvent.h"
 #include "ui/base/window_open_disposition.h"
 
 namespace autofill {
 
 namespace {
 
 using content::OpenURLParams;
 
 // Signals if |params| require opening inside the current WebContents.
 bool IsInPageTransition(const OpenURLParams& params) {
@@ skipping 66 matching lines @@
     WindowOpenDisposition disposition,
     const gfx::Rect& initial_pos,
     bool user_gesture,
     bool* was_blocked) {
   chrome::AddWebContents(
       chrome::FindBrowserWithWebContents(originating_web_contents_),
       source, new_contents, disposition, initial_pos, user_gesture,
       was_blocked);
 }
 
+bool AutofillDialogSignInDelegate::PreHandleGestureEvent(
+    content::WebContents* source,
+    const blink::WebGestureEvent& event) {
+  // Disable pinch zooming.
+  return event.type == blink::WebGestureEvent::GesturePinchBegin ||
+      event.type == blink::WebGestureEvent::GesturePinchUpdate ||
+      event.type == blink::WebGestureEvent::GesturePinchEnd;
+}
+
 void AutofillDialogSignInDelegate::RenderViewCreated(
     content::RenderViewHost* render_view_host) {
   EnableAutoResize();
 
   // Set the initial size as soon as we have an RVH to avoid bad size jumping.
   dialog_view_->OnSignInResize(minimum_size_);
 }
 
 void AutofillDialogSignInDelegate::UpdateLimitsAndEnableAutoResize(
     const gfx::Size& minimum_size,
     const gfx::Size& maximum_size) {
   minimum_size_ = minimum_size;
   maximum_size_ = maximum_size;
   EnableAutoResize();
 }
 
 void AutofillDialogSignInDelegate::EnableAutoResize() {
   DCHECK(!minimum_size_.IsEmpty());
   DCHECK(!maximum_size_.IsEmpty());
   content::RenderViewHost* host = web_contents()->GetRenderViewHost();
   if (host)
     host->EnableAutoResize(minimum_size_, maximum_size_);
 }
 
 }  // namespace autofill