Wires up MotionEvents for mojo_shell_apk on Android.

mojo/services/native_viewport/native_viewport_android.cc

Index: mojo/services/native_viewport/native_viewport_android.cc
diff --git a/mojo/services/native_viewport/native_viewport_android.cc b/mojo/services/native_viewport/native_viewport_android.cc
index 753b8ed7d4f4046749f8db63abfbeac8de67ba36..04a4e688cd028defb4d0fe546f0ca5fc3fa93237 100644
--- a/mojo/services/native_viewport/native_viewport_android.cc
+++ b/mojo/services/native_viewport/native_viewport_android.cc
@@ -9,6 +9,8 @@
 #include "gpu/command_buffer/client/gles2_implementation.h"
 #include "mojo/services/native_viewport/android/mojo_viewport.h"
 #include "mojo/shell/context.h"
+#include "ui/events/event.h"
+#include "ui/gfx/point.h"
 
 namespace mojo {
 namespace services {
@@ -16,6 +18,7 @@ namespace services {
 NativeViewportAndroid::NativeViewportAndroid(NativeViewportDelegate* delegate)
     : delegate_(delegate),
       window_(NULL),
+      id_generator_(0),
       weak_factory_(this) {
 }
 
@@ -52,6 +55,26 @@ void NativeViewportAndroid::OnResized(const gfx::Size& size) {
   delegate_->OnResized(size);
 }
 
+void NativeViewportAndroid::OnMotionEvent(bool is_touch,
+                                          int pointer_id,
+                                          ui::EventType action,
+                                          float x, float y,
+                                          int64 time_ms) {
+  gfx::Point location(static_cast<int>(x), static_cast<int>(y));
+  if (is_touch) {
+    ui::TouchEvent event(action, location,
+                         id_generator_.GetGeneratedID(pointer_id),
+                         base::TimeDelta::FromMilliseconds(time_ms));
+    // TODO(beng): handle multiple touch-points.
+    delegate_->OnEvent(&event);
+    if (action == ui::ET_TOUCH_RELEASED)
+      id_generator_.ReleaseNumber(pointer_id);
+  } else {
+    ui::MouseEvent event(action, location, location, 0);
+    delegate_->OnEvent(&event);
+  }
+}
+
 void NativeViewportAndroid::ReleaseWindow() {
   gl_context_.reset();
   ANativeWindow_release(window_);