[rAC, OSX] Autofill text field hot keys.

chrome/browser/ui/cocoa/autofill/autofill_section_container.mm

Index: chrome/browser/ui/cocoa/autofill/autofill_section_container.mm
diff --git a/chrome/browser/ui/cocoa/autofill/autofill_section_container.mm b/chrome/browser/ui/cocoa/autofill/autofill_section_container.mm
index 24ea4616ccfb50b4beab99c8b6edeb94864c04f4..be76f04169b309345865a3df79f8dcc5b7c97aeb 100644
--- a/chrome/browser/ui/cocoa/autofill/autofill_section_container.mm
+++ b/chrome/browser/ui/cocoa/autofill/autofill_section_container.mm
@@ -20,6 +20,7 @@
 #import "chrome/browser/ui/cocoa/image_button_cell.h"
 #import "chrome/browser/ui/cocoa/menu_button.h"
 #include "components/autofill/core/browser/autofill_type.h"
+#include "content/public/browser/native_web_keyboard_event.h"
 #include "grit/theme_resources.h"
 #import "ui/base/cocoa/menu_controller.h"
 #include "ui/base/l10n/l10n_util_mac.h"
@@ -251,6 +252,19 @@ bool CompareInputRows(const autofill::DetailInput* input1,
   [view_ setFrameSize:viewFrame.size];
 }
 
+- (KeyEventHandled)keyEvent:(NSEvent*)event forInput:(id)sender {
+  content::NativeWebKeyboardEvent webEvent(event);
+
+  // Only handle keyDown, to handle key repeats without duplicates.
+  if (webEvent.type != content::NativeWebKeyboardEvent::KeyDown)
+    return kKeyEventNotHandled;
+
+  // Allow the delegate to intercept key messages.
+  if (delegate_->HandleKeyPressEventInInput(webEvent))
+    return kKeyEventHandled;
+  return kKeyEventNotHandled;
+}
+
 - (void)onMouseDown:(NSControl<AutofillInputField>*)field {
   [self textfieldEditedOrActivated:field edited:NO];
   [validationDelegate_ updateMessageForField:field];