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

components/pdf/browser/pdf_tab_helper_delegate.h

Index: components/pdf/browser/pdf_tab_helper_delegate.h
diff --git a/components/pdf/browser/pdf_tab_helper_delegate.h b/components/pdf/browser/pdf_tab_helper_delegate.h
new file mode 100644
index 0000000000000000000000000000000000000000..45637a4fc600bb639d22710d7ea4e41147352d9d
--- /dev/null
+++ b/components/pdf/browser/pdf_tab_helper_delegate.h
@@ -0,0 +1,43 @@
+// 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_TAB_HELPER_DELEGATE_H_
+#define COMPONENTS_PDF_BROWSER_PDF_TAB_HELPER_DELEGATE_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 PDFTabHelperDelegate {
+ public:
+  virtual ~PDFTabHelperDelegate() {}
+
+  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_TAB_HELPER_DELEGATE_H_