Implement window.print() on Android

chrome/browser/printing/printer_query.cc

Index: chrome/browser/printing/printer_query.cc
diff --git a/chrome/browser/printing/printer_query.cc b/chrome/browser/printing/printer_query.cc
index 6cd11ff067ef9537b1c6ee0131160c8eb8805b1d..80f936297cf479ee6e43e31d9324acabdeb8f78d 100644
--- a/chrome/browser/printing/printer_query.cc
+++ b/chrome/browser/printing/printer_query.cc
@@ -31,6 +31,7 @@ PrinterQuery::~PrinterQuery() {
 void PrinterQuery::GetSettingsDone(const PrintSettings& new_settings,
                                    PrintingContext::Result result) {
   is_print_dialog_box_shown_ = false;
+  is_initiated_from_android_scripted_print_ = false;
   last_status_ = result;
   if (result != PrintingContext::FAILED) {
     settings_ = new_settings;
@@ -42,11 +43,22 @@ void PrinterQuery::GetSettingsDone(const PrintSettings& new_settings,
 
   if (!callback_.is_null()) {
     // This may cause reentrancy like to call StopWorker().
+    LOG(INFO) << "DGN - GetSettingsDone - Calling PrinterQuery("
+              << cookie_ <<")'s stored callback";
+
+    if (is_initiated_from_android_scripted_print_) {
+      LOG(INFO) << " DGN - THAT'S MY PQ!";

[dgn, 2014/11/20 12:26:16]

I never get there. That's the place where I expected to have my Send(reply_msg)
to be called.

+      is_initiated_from_android_scripted_print_ = false;
+    }
     callback_.Run();
     callback_.Reset();
   }
 }
 
+void PrinterQuery::SetInitiatedFromAndroidScript() {
+  is_initiated_from_android_scripted_print_ = true;
+}
+
 PrintJobWorker* PrinterQuery::DetachWorker(PrintJobWorkerOwner* new_owner) {
   DCHECK(callback_.is_null());
   DCHECK(worker_.get());