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

chrome/browser/ui/browser_dialogs.h

Index: chrome/browser/ui/browser_dialogs.h
diff --git a/chrome/browser/ui/browser_dialogs.h b/chrome/browser/ui/browser_dialogs.h
index 10dc1ffbc0675a7bb476a8dc687fc7e149e4d5d8..a3a02dbc734d009afd2617023db62ab5c13ee45b 100644
--- a/chrome/browser/ui/browser_dialogs.h
+++ b/chrome/browser/ui/browser_dialogs.h
@@ -48,6 +48,10 @@ class AuthChallengeInfo;
 class URLRequest;
 }
 
+namespace payments {
+class PaymentRequestImpl;
+}
+
 namespace security_state {
 struct SecurityInfo;
 }  // namespace security_state
@@ -146,6 +150,8 @@ void ShowBookmarkEditorViews(gfx::NativeWindow parent_window,
                              const BookmarkEditor::EditDetails& details,
                              BookmarkEditor::Configuration configuration);
 
+void ShowPaymentRequestDialog(payments::PaymentRequestImpl* impl);
+
 #if defined(OS_MACOSX)
 
 // This is a class so that it can be friended from ContentSettingBubbleContents,