Reland http://codereview.chromium.org/7452002/, update chromoting

ppapi/examples/2d/paint_manager_example.cc

 // Copyright (c) 2011 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 "ppapi/c/pp_input_event.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"
 #include "ppapi/cpp/paint_manager.h"
 #include "ppapi/cpp/size.h"
 
 // Number of pixels to each side of the center of the square that we draw.
 static const int kSquareRadius = 2;
 
 // We identify our square by the center point. This computes the rect for the
 // square given that point.
@@ skipping 16 matching lines @@
 }
 
 class MyInstance : public pp::Instance, public pp::PaintManager::Client {
  public:
   MyInstance(PP_Instance instance)
       : pp::Instance(instance),
         paint_manager_(),
         last_x_(0),
         last_y_(0) {
     paint_manager_.Initialize(this, this, false);
+    RequestInputEvents(PP_INPUTEVENT_CLASS_MOUSE);
   }
 
-  virtual bool HandleInputEvent(const PP_InputEvent& event) {
-    switch (event.type) {
+  virtual bool HandleInputEvent(const pp::InputEvent& event) {
+    switch (event.GetType()) {
       case PP_INPUTEVENT_TYPE_MOUSEDOWN: {
-        const PP_InputEvent_Mouse& mouse_event = event.u.mouse;
+        pp::MouseInputEvent mouse_event(event);
         // Update the square on a mouse down.
-        if (mouse_event.button == PP_INPUTEVENT_MOUSEBUTTON_LEFT) {
-          UpdateSquare(static_cast<int>(mouse_event.x),
-                       static_cast<int>(mouse_event.y));
+        if (mouse_event.GetMouseButton() == PP_INPUTEVENT_MOUSEBUTTON_LEFT) {
+          UpdateSquare(static_cast<int>(mouse_event.GetMousePosition().x()),
+                       static_cast<int>(mouse_event.GetMousePosition().y()));
         }
         return true;
       }
       case PP_INPUTEVENT_TYPE_MOUSEMOVE: {
-        const PP_InputEvent_Mouse& mouse_event = event.u.mouse;
+        pp::MouseInputEvent mouse_event(event);
         // Update the square on a drag.
-        if (mouse_event.button == PP_INPUTEVENT_MOUSEBUTTON_LEFT) {
-          UpdateSquare(static_cast<int>(mouse_event.x),
-                       static_cast<int>(mouse_event.y));
+        if (mouse_event.GetMouseButton() == PP_INPUTEVENT_MOUSEBUTTON_LEFT) {
+          UpdateSquare(static_cast<int>(mouse_event.GetMousePosition().x()),
+                       static_cast<int>(mouse_event.GetMousePosition().y()));
         }
         return true;
       }
       default:
         return false;
     }
   }
 
   virtual void DidChangeView(const pp::Rect& position, const pp::Rect& clip) {
     paint_manager_.SetSize(position.size());
@@ skipping 76 matching lines @@
 };
 
 namespace pp {
 
 // Factory function for your specialization of the Module object.
 Module* CreateModule() {
   return new MyModule();
 }
 
 }  // namespace pp