pdf: Create a separate component for using the pdf pepper plugin.

components/pdf/browser/pdf_web_contents_helper_client.h

Index: components/pdf/browser/pdf_web_contents_helper_client.h
diff --git a/components/pdf/browser/pdf_web_contents_helper_client.h b/components/pdf/browser/pdf_web_contents_helper_client.h
new file mode 100644
index 0000000000000000000000000000000000000000..17dfb4ea06c770c87bb41dcb52d8157be860b3ff
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+++ b/components/pdf/browser/pdf_web_contents_helper_client.h
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+// Copyright 2014 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 COMPONENTS_PDF_BROWSER_PDF_WEB_CONTENTS_HELPER_CLIENT_H_
+#define COMPONENTS_PDF_BROWSER_PDF_WEB_CONTENTS_HELPER_CLIENT_H_
+
+#include "base/callback.h"
+#include "base/strings/string16.h"
+#include "ipc/ipc_message.h"
+
+namespace content {
+class WebContents;
+}
+
+namespace pdf {
+
+typedef base::Callback<
+    void(bool /* success */, const base::string16& /* password */)>
+    PasswordDialogClosedCallback;
+
+class PDFWebContentsHelperClient {
+ public:
+  virtual ~PDFWebContentsHelperClient() {}
+
+  virtual void UpdateLocationBar(content::WebContents* contents) = 0;
+
+  virtual void UpdateContentRestrictions(content::WebContents* contents,
+                                         int content_restrictions) = 0;
+
+  virtual void OnPDFHasUnsupportedFeature(content::WebContents* contents) = 0;
+
+  virtual void OnSaveURL(content::WebContents* contents) = 0;
+
+  virtual void OnShowPDFPasswordDialog(
+      content::WebContents* contents,
+      const base::string16& prompt,
+      const PasswordDialogClosedCallback& callback) = 0;
+};
+
+}  // namespace pdf
+
+#endif  // COMPONENTS_PDF_BROWSER_PDF_WEB_CONTENTS_HELPER_CLIENT_H_