Adds PrintingContext implementation stub for Android.

printing/printing_context_android.h

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2013 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 PRINTING_PRINTING_CONTEXT_NO_SYSTEM_DIALOG_H_
-#define PRINTING_PRINTING_CONTEXT_NO_SYSTEM_DIALOG_H_
+#ifndef PRINTING_PRINTING_CONTEXT_ANDROID_H_
+#define PRINTING_PRINTING_CONTEXT_ANDROID_H_
 
+#include <jni.h>

[Lei Zhang, 2013/08/13 23:26:37]

nit: in Chromium's interpretation of the Google C++ style guide, there's a blank
line to separate C and C++ headers.

[cimamoglu1, 2013/08/14 16:10:36]

Done.

 #include <string>
 
+#include "base/android/scoped_java_ref.h"
 #include "printing/printing_context.h"
 
-namespace base {
-class DictionaryValue;
-}
-
 namespace printing {
 
-class PRINTING_EXPORT PrintingContextNoSystemDialog : public PrintingContext {
+class PRINTING_EXPORT PrintingContextAndroid : public PrintingContext {
  public:
-  explicit PrintingContextNoSystemDialog(const std::string& app_locale);
-  virtual ~PrintingContextNoSystemDialog();
+  explicit PrintingContextAndroid(const std::string& app_locale);
+  virtual ~PrintingContextAndroid();
 
   // PrintingContext implementation.
   virtual void AskUserForSettings(
       gfx::NativeView parent_view,
       int max_pages,
       bool has_selection,
       const PrintSettingsCallback& callback) OVERRIDE;
   virtual Result UseDefaultSettings() OVERRIDE;
   virtual Result UpdatePrinterSettings(
       const base::DictionaryValue& job_settings,
       const PageRanges& ranges) OVERRIDE;
   virtual Result InitWithSettings(const PrintSettings& settings) OVERRIDE;
   virtual Result NewDocument(const string16& document_name) OVERRIDE;
   virtual Result NewPage() OVERRIDE;
   virtual Result PageDone() OVERRIDE;
   virtual Result DocumentDone() OVERRIDE;
   virtual void Cancel() OVERRIDE;
   virtual void ReleaseContext() OVERRIDE;
   virtual gfx::NativeDrawingContext context() const OVERRIDE;
 
+  static bool RegisterPrintingContext(JNIEnv* env);
+
  private:
-  DISALLOW_COPY_AND_ASSIGN(PrintingContextNoSystemDialog);
+  base::android::ScopedJavaGlobalRef<jobject> j_printing_context_;
+
+  DISALLOW_COPY_AND_ASSIGN(PrintingContextAndroid);
 };
 
 }  // namespace printing
 
-#endif  // PRINTING_PRINTING_CONTEXT_NO_SYSTEM_DIALOG_H_
+#endif  // PRINTING_PRINTING_CONTEXT_ANDROID_H_
+