import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

widget/android/nsDeviceContextAndroid.h

@@ -0,0 +1,32 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+#include "nsIDeviceContextSpec.h"
+#include "nsCOMPtr.h"
+
+class nsDeviceContextSpecAndroid final : public nsIDeviceContextSpec
+{
+private:
+    ~nsDeviceContextSpecAndroid() {}
+
+public:
+    NS_DECL_ISUPPORTS
+
+    virtual already_AddRefed<PrintTarget> MakePrintTarget() final;
+
+    NS_IMETHOD Init(nsIWidget* aWidget,
+                    nsIPrintSettings* aPS,
+                    bool aIsPrintPreview) override;
+    NS_IMETHOD BeginDocument(const nsAString& aTitle,
+                             const nsAString& aPrintToFileName,
+                             int32_t aStartPage,
+                             int32_t aEndPage) override;
+    NS_IMETHOD EndDocument() override;
+    NS_IMETHOD BeginPage() override { return NS_OK; }
+    NS_IMETHOD EndPage() override { return NS_OK; }
+
+private:
+    nsCOMPtr<nsIPrintSettings> mPrintSettings;
+    nsCOMPtr<nsIFile> mTempFile;
+};