Switch plugins/netscape-plugin-map-data-to-src.html to the PPAPI test plugin.

ppapi/tests/blink_test_plugin.cc

 // Copyright 2015 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 <stdint.h>
+#include <string.h>
 
 #include <sstream>
 #include <utility>
 
 #include "ppapi/cpp/completion_callback.h"
 #include "ppapi/cpp/graphics_2d.h"
 #include "ppapi/cpp/image_data.h"
 #include "ppapi/cpp/input_event.h"
 #include "ppapi/cpp/instance.h"
 #include "ppapi/cpp/module.h"
@@ skipping 13 matching lines @@
 // - On first paint, the plugin posts a 'loaded' message to its owner element.
 // - On subsequent paints, the plugin posts a 'painted' message instead.
 // - Keyboard and mouse input events are logged to the console.
 class BlinkTestInstance : public pp::Instance {
  public:
   explicit BlinkTestInstance(PP_Instance instance)
       : pp::Instance(instance), first_paint_(true) {}
   ~BlinkTestInstance() override {}
 
   bool Init(uint32_t argc, const char* argn[], const char* argv[]) {
+    // Used by layout tests that want to inspect the args the plugin is
+    // instantiated with.
+    for (uint32_t i = 0; i < argc; ++i) {
+      if (!strcmp(argn[i], "logargs")) {
+        LogMessage("plugin args:");
+        for (uint32_t j = 0; j < argc; ++j)
+          LogMessage("  name = ", argn[j], ", value = ", argv[j]);
+      }
+    }
     return RequestFilteringInputEvents(PP_INPUTEVENT_CLASS_MOUSE |
                                        PP_INPUTEVENT_CLASS_KEYBOARD) == PP_OK;
   }
 
   void DidChangeView(const pp::View& view) override {
     view_ = view;
     device_context_ = pp::Graphics2D(this, view_.GetRect().size(), true);
     if (!BindGraphics(device_context_))
       return;
 
@@ skipping 123 matching lines @@
 
 }  // namespace
 
 namespace pp {
 
 Module* CreateModule() {
   return new BlinkTestModule();
 }
 
 }  // namespace pp