Add the pdf plugin's source in src\pdf.

pdf/preview_mode_client.h

+// Copyright (c) 2011 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 PDF_PREVIEW_MODE_CLIENT_H_
+#define PDF_PREVIEW_MODE_CLIENT_H_
+
+#include <string>
+#include <vector>
+
+#include "pdf/pdf_engine.h"
+
+namespace chrome_pdf {
+
+// The interface that's provided to the print preview rendering engine.
+class PreviewModeClient : public PDFEngine::Client {
+ public:
+  class Client {
+   public:
+    virtual void PreviewDocumentLoadFailed() = 0;
+    virtual void PreviewDocumentLoadComplete() = 0;
+  };
+  explicit PreviewModeClient(Client* client);
+  virtual ~PreviewModeClient() {}
+
+  // PDFEngine::Client implementation.
+  virtual void DocumentSizeUpdated(const pp::Size& size);
+  virtual void Invalidate(const pp::Rect& rect);
+  virtual void Scroll(const pp::Point& point);
+  virtual void ScrollToX(int position);
+  virtual void ScrollToY(int position);
+  virtual void ScrollToPage(int page);
+  virtual void NavigateTo(const std::string& url, bool open_in_new_tab);
+  virtual void UpdateCursor(PP_CursorType_Dev cursor);
+  virtual void UpdateTickMarks(const std::vector<pp::Rect>& tickmarks);
+  virtual void NotifyNumberOfFindResultsChanged(int total,
+                                                bool final_result);
+  virtual void NotifySelectedFindResultChanged(int current_find_index);
+  virtual void GetDocumentPassword(
+      pp::CompletionCallbackWithOutput<pp::Var> callback);
+  virtual void Alert(const std::string& message);
+  virtual bool Confirm(const std::string& message);
+  virtual std::string Prompt(const std::string& question,
+                             const std::string& default_answer);
+  virtual std::string GetURL();
+  virtual void Email(const std::string& to,
+                     const std::string& cc,
+                     const std::string& bcc,
+                     const std::string& subject,
+                     const std::string& body);
+  virtual void Print();
+  virtual void SubmitForm(const std::string& url,
+                          const void* data,
+                          int length);
+  virtual std::string ShowFileSelectionDialog();
+  virtual pp::URLLoader CreateURLLoader();
+  virtual void ScheduleCallback(int id, int delay_in_ms);
+  virtual void SearchString(const base::char16* string,
+                            const base::char16* term,
+                            bool case_sensitive,
+                            std::vector<SearchStringResult>* results);
+  virtual void DocumentPaintOccurred();
+  virtual void DocumentLoadComplete(int page_count);
+  virtual void DocumentLoadFailed();
+  virtual pp::Instance* GetPluginInstance();
+  virtual void DocumentHasUnsupportedFeature(const std::string& feature);
+  virtual void DocumentLoadProgress(uint32 available, uint32 doc_size);
+  virtual void FormTextFieldFocusChange(bool in_focus);
+  virtual bool IsPrintPreview();
+
+ private:
+  Client* client_;
+};
+
+}  // namespace chrome_pdf
+
+#endif  // PDF_PREVIEW_MODE_CLIENT_H_