Set DPI before using GetPdfPaperSizeDeviceUnits

printing/printing_context_android.cc

 // 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.
 
 #include "printing/printing_context_android.h"
 
 #include <vector>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
@@ skipping 120 matching lines @@
   height = Round(ConvertUnitDouble(height, kInchToMil, 1.0) * dpi);
   SetSizes(&settings_, dpi, width, height);
 
   callback_.Run(OK);
 }
 
 PrintingContext::Result PrintingContextAndroid::UseDefaultSettings() {
   DCHECK(!in_print_job_);
 
   ResetSettings();
+  settings_.set_dpi(kDefaultPdfDpi);
   gfx::Size physical_size = GetPdfPaperSizeDeviceUnits();
   SetSizes(&settings_, kDefaultPdfDpi, physical_size.width(),
            physical_size.height());
   return OK;
 }
 
 gfx::Size PrintingContextAndroid::GetPdfPaperSizeDeviceUnits() {
   // NOTE: This implementation is the same as in PrintingContextNoSystemDialog.
   int32_t width = 0;
   int32_t height = 0;
@@ skipping 86 matching lines @@
   // Intentional No-op.
   return NULL;
 }
 
 // static
 bool PrintingContextAndroid::RegisterPrintingContext(JNIEnv* env) {
    return RegisterNativesImpl(env);
 }
 
 }  // namespace printing