Adds PrintingContext implementation stub for Android.

chrome/browser/printing/print_view_manager_basic.cc

Index: chrome/browser/printing/print_view_manager_basic.cc
diff --git a/chrome/browser/printing/print_view_manager_basic.cc b/chrome/browser/printing/print_view_manager_basic.cc
index 6f524d173596597191f26eaa8292b86f3c3dee6f..80f818013bde535b4b58f28517f71fe0040b6f7a 100644
--- a/chrome/browser/printing/print_view_manager_basic.cc
+++ b/chrome/browser/printing/print_view_manager_basic.cc
@@ -4,6 +4,10 @@
 
 #include "chrome/browser/printing/print_view_manager_basic.h"
 
+#if defined(OS_ANDROID)
+#include "base/file_descriptor_posix.h"
+#endif
+
 DEFINE_WEB_CONTENTS_USER_DATA_KEY(printing::PrintViewManagerBasic);
 
 namespace printing {
@@ -15,4 +19,15 @@ PrintViewManagerBasic::PrintViewManagerBasic(content::WebContents* web_contents)
 PrintViewManagerBasic::~PrintViewManagerBasic() {
 }
 
+#if defined(OS_ANDROID)
+void PrintViewManagerBasic::SetFileDescriptor(
+    const base::FileDescriptor& file_descriptor) {
+  file_descriptor_ = file_descriptor;
+}
+
+base::FileDescriptor PrintViewManagerBasic::GetFileDescriptor() const {
+  return file_descriptor_;
+}
+#endif
+
 }  // namespace printing