BASELINE: Update Chromium to 49.0.2623.23

Also adds missing printing sources.

Change-Id: I3726b8f0c7d6751c9fc846096c571fadca7108cd
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>

1 files changed, 68 insertions, 0 deletions

diff --git a/chromium/chrome/browser/printing/print_preview_data_service.h b/chromium/chrome/browser/printing/print_preview_data_service.h
new file mode 100644
index 00000000000..c5535811d48
--- /dev/null
+++ b/chromium/chrome/browser/printing/print_preview_data_service.h
@@ -0,0 +1,68 @@
+// 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 CHROME_BROWSER_PRINTING_PRINT_PREVIEW_DATA_SERVICE_H_
+#define CHROME_BROWSER_PRINTING_PRINT_PREVIEW_DATA_SERVICE_H_
+
+#include <stdint.h>
+
+#include <map>
+#include <string>
+
+#include "base/macros.h"
+#include "base/memory/ref_counted.h"
+
+class PrintPreviewDataStore;
+
+namespace base {
+template <typename T>
+struct DefaultSingletonTraits;
+class RefCountedBytes;
+}
+
+// PrintPreviewDataService manages data stores for chrome://print requests.
+// It owns the data store object and is responsible for freeing it.
+class PrintPreviewDataService {
+ public:
+  static PrintPreviewDataService* GetInstance();
+
+  // Get the data entry from PrintPreviewDataStore. |index| is zero-based or
+  // |printing::COMPLETE_PREVIEW_DOCUMENT_INDEX| to represent complete preview
+  // data. Use |index| to retrieve a specific preview page data. |data| is set
+  // to NULL if the requested page is not yet available.
+  void GetDataEntry(int32_t preview_ui_id, int index,
+                    scoped_refptr<base::RefCountedBytes>* data);
+
+  // Set/Update the data entry in PrintPreviewDataStore. |index| is zero-based
+  // or |printing::COMPLETE_PREVIEW_DOCUMENT_INDEX| to represent complete
+  // preview data. Use |index| to set/update a specific preview page data.
+  // NOTE: PrintPreviewDataStore owns the data. Do not refcount |data| before
+  // calling this function. It will be refcounted in PrintPreviewDataStore.
+  void SetDataEntry(int32_t preview_ui_id, int index,
+                    const base::RefCountedBytes* data);
+
+  // Remove the corresponding PrintPreviewUI entry from the map.
+  void RemoveEntry(int32_t preview_ui_id);
+
+  // Returns the available draft page count.
+  int GetAvailableDraftPageCount(int32_t preview_ui_id);
+
+ private:
+  friend struct base::DefaultSingletonTraits<PrintPreviewDataService>;
+
+  // 1:1 relationship between PrintPreviewUI and data store object.
+  // Key: PrintPreviewUI ID.
+  // Value: Print preview data store object.
+  using PreviewDataStoreMap =
+      std::map<int32_t, scoped_refptr<PrintPreviewDataStore>>;
+
+  PrintPreviewDataService();
+  virtual ~PrintPreviewDataService();
+
+  PreviewDataStoreMap data_store_map_;
+
+  DISALLOW_COPY_AND_ASSIGN(PrintPreviewDataService);
+};
+
+#endif  // CHROME_BROWSER_PRINTING_PRINT_PREVIEW_DATA_SERVICE_H_