Add print and getSelectedText functions to the OOP PDF scripting API

pdf/out_of_process_instance.cc

Index: pdf/out_of_process_instance.cc
diff --git a/pdf/out_of_process_instance.cc b/pdf/out_of_process_instance.cc
index 59b04394419410bc1eda3518839f2323169bbe94..e0ab99a3468022548df5f4fd22511ece1a6c0173 100644
--- a/pdf/out_of_process_instance.cc
+++ b/pdf/out_of_process_instance.cc
@@ -127,6 +127,11 @@ const char kJSRotateClockwiseType[] = "rotateClockwise";
 const char kJSRotateCounterclockwiseType[] = "rotateCounterclockwise";
 // Select all text in the document (Page -> Plugin)
 const char kJSSelectAllType[] = "selectAll";
+// Get the selected text in the document (Page -> Plugin)
+const char kJSGetSelectedTextType[] = "getSelectedText";
+// Reply with selected text (Plugin -> Page)
+const char kJSGetSelectedTextReplyType[] = "getSelectedTextReply";
+const char kJSSelectedText[] = "selectedText";
 
 const int kFindResultCooldownMs = 100;
 
@@ -444,6 +449,11 @@ void OutOfProcessInstance::HandleMessage(const pp::Var& message) {
     PostMessage(reply);
   } else if (type == kJSStopScrollingType) {
     stop_scrolling_ = true;
+  } else if (type == kJSGetSelectedTextType) {
+    pp::VarDictionary reply;
+    reply.Set(pp::Var(kType), pp::Var(kJSGetSelectedTextReplyType));
+    reply.Set(pp::Var(kJSSelectedText), engine_->GetSelectedText());
+    PostMessage(reply);
   } else {
     NOTREACHED();
   }