[WebPayments] Move views-specific code to c/b/ui/views/

chrome/browser/ui/cocoa/browser_window_cocoa.h

Index: chrome/browser/ui/cocoa/browser_window_cocoa.h
diff --git a/chrome/browser/ui/cocoa/browser_window_cocoa.h b/chrome/browser/ui/cocoa/browser_window_cocoa.h
index ecf9ad8b226cd75eb29aa86babb262d6b3183f55..8804d98bbe1ce51ea6d1002295851271099bb522 100644
--- a/chrome/browser/ui/cocoa/browser_window_cocoa.h
+++ b/chrome/browser/ui/cocoa/browser_window_cocoa.h
@@ -28,6 +28,10 @@ class Command;
 class Extension;
 }
 
+namespace payments {
+class PaymentRequestImpl;
+}
+
 namespace security_state {
 struct SecurityInfo;
 }  // namespace security_state
@@ -157,6 +161,7 @@ class BrowserWindowCocoa
       const extensions::Extension* extension,
       const base::Callback<void(ImeWarningBubblePermissionStatus status)>&
           callback) override;
+  void ShowWebPaymentsDialog(payments::PaymentRequestImpl* impl) override;
 
   // Overridden from ExtensionKeybindingRegistry::Delegate:
   extensions::ActiveTabPermissionGranter* GetActiveTabPermissionGranter()