Add an ability to call WebKit's WebFrame::loadData via NavigationController.

content/public/browser/android/navigation_controller_webview.h

Index: content/public/browser/android/navigation_controller_webview.h
diff --git a/content/public/browser/android/navigation_controller_webview.h b/content/public/browser/android/navigation_controller_webview.h
new file mode 100644
index 0000000000000000000000000000000000000000..79c784dcd7a2947faeeae7f104374eccae27aba9
--- /dev/null
+++ b/content/public/browser/android/navigation_controller_webview.h
@@ -0,0 +1,34 @@
+// Copyright (c) 2012 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.
+
+#ifndef CONTENT_PUBLIC_BROWSER_NAVIGATION_CONTROLLER_WEBVIEW_H_
+#define CONTENT_PUBLIC_BROWSER_NAVIGATION_CONTROLLER_WEBVIEW_H_
+
+class GURL;
+
+namespace content {
+
+struct Referrer;
+
+// An addition to NavigationController with methods required to implement
+// Android WebView.
+//
+// For the details, please consult the Android developer reference of
+// the WebView API:
+// http://developer.android.com/reference/android/webkit/WebView.html
+class NavigationControllerWebView {
+ public:
+  // Loads a 'data:' scheme URL with specified base URL and a history entry URL.
+  // This is only safe to be used for browser-initiated data: URL navigations,
+  // since it shows arbitrary content as if it comes from |history_url|.
+  virtual void LoadDataWithBaseURL(const GURL& data_url,
+                                   const Referrer& referrer,
+                                   const GURL& base_url,
+                                   const GURL& history_url,
+                                   bool is_overriding_user_agent) = 0;
+};
+
+}  // namespace content
+
+#endif  // CONTENT_PUBLIC_BROWSER_NAVIGATION_CONTROLLER_WEBVIEW_H_