Implement window.print() on Android

chrome/browser/printing/printing_message_filter.cc

Index: chrome/browser/printing/printing_message_filter.cc
diff --git a/chrome/browser/printing/printing_message_filter.cc b/chrome/browser/printing/printing_message_filter.cc
index 6af14f7f13139f166d1dea644f004294a9b5dcdd..77fce0a307575d80bc6120cf973f2e0f85f1bc3b 100644
--- a/chrome/browser/printing/printing_message_filter.cc
+++ b/chrome/browser/printing/printing_message_filter.cc
@@ -34,6 +34,7 @@
 
 #if defined(OS_ANDROID)
 #include "base/strings/string_number_conversions.h"
+#include "chrome/browser/android/tab_android.h"
 #include "chrome/browser/printing/print_view_manager_basic.h"
 #include "printing/printing_context_android.h"
 #endif
@@ -280,7 +281,7 @@ void PrintingMessageFilter::OnGetDefaultPrintSettings(IPC::Message* reply_msg) {
   // Loads default settings. This is asynchronous, only the IPC message sender
   // will hang until the settings are retrieved.
   printer_query->GetSettings(
-      PrinterQuery::DEFAULTS,
+      PrinterQuery::GetSettingsAskParam::DEFAULTS,
       0,
       false,
       DEFAULT_MARGINS,
@@ -323,8 +324,15 @@ void PrintingMessageFilter::OnScriptedPrint(
     printer_query =
         queue_->CreatePrinterQuery(render_process_id_, reply_msg->routing_id());
   }
+
+  PrinterQuery::GetSettingsAskParam ask_param;
+  if (params.use_system_specific_flow) { // Android only path
+    ask_param = PrinterQuery::GetSettingsAskParam::SYSTEM_SPECIFIC;
+  } else {
+    ask_param = PrinterQuery::GetSettingsAskParam::ASK_USER;
+  }
   printer_query->GetSettings(
-      PrinterQuery::ASK_USER,
+      ask_param,
       params.expected_pages_count,

[Vitaly Buka (NO REVIEWS), 2014/12/12 08:37:17]

add bool arg to GetSettings to let it know that it's from script

       params.has_selection,
       params.margin_type,