De-duplicate job_settings parsing code.

printing/printing_context_android.h

 // Copyright 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_ANDROID_H_
 #define PRINTING_PRINTING_CONTEXT_ANDROID_H_
 
 #include <jni.h>
 
 #include <string>
@@ skipping 19 matching lines @@
   // printing operation is canceled.
   void AskUserForSettingsReply(JNIEnv* env, jobject obj, jboolean success);
 
   // 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 UpdatePrinterSettings(bool target_is_pdf,
+                                       bool external_preview) OVERRIDE;
   virtual Result InitWithSettings(const PrintSettings& settings) OVERRIDE;
   virtual Result NewDocument(const base::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;
 
   // Registers JNI bindings for RegisterContext.
   static bool RegisterPrintingContext(JNIEnv* env);
 
  private:
   base::android::ScopedJavaGlobalRef<jobject> j_printing_context_;
 
   // The callback from AskUserForSettings to be called when the settings are
   // ready on the Java side
   PrintSettingsCallback callback_;
 
   DISALLOW_COPY_AND_ASSIGN(PrintingContextAndroid);
 };
 
 }  // namespace printing
 
 #endif  // PRINTING_PRINTING_CONTEXT_ANDROID_H_