Fire pointerup/down events for corresponding mouse events.

components/test_runner/event_sender.cc

Index: components/test_runner/event_sender.cc
diff --git a/components/test_runner/event_sender.cc b/components/test_runner/event_sender.cc
index 9560ea3393c47a9f3fd54a3636348736a5bc9da2..53df5bc12e273ac1f1cfcf6bcae20d732f1832ca 100644
--- a/components/test_runner/event_sender.cc
+++ b/components/test_runner/event_sender.cc
@@ -49,6 +49,36 @@ namespace test_runner {
 
 namespace {
 
+WebMouseEvent::Button GetButtonTypeFromButtonNumber(int button_code) {
+  switch (button_code) {
+    case -1:
+      return WebMouseEvent::ButtonNone;
+    case 0:
+      return WebMouseEvent::ButtonLeft;
+    case 1:
+      return WebMouseEvent::ButtonMiddle;
+    case 2:
+      return WebMouseEvent::ButtonRight;
+  }
+  NOTREACHED();
+  return WebMouseEvent::ButtonNone;
+}
+
+int GetWebMouseEventModifierForButton(WebMouseEvent::Button button) {
+  switch (button) {
+    case WebMouseEvent::ButtonNone:
+      return 0;
+    case WebMouseEvent::ButtonLeft:
+      return WebMouseEvent::LeftButtonDown;
+    case WebMouseEvent::ButtonMiddle:
+      return WebMouseEvent::MiddleButtonDown;
+    case WebMouseEvent::ButtonRight:
+      return WebMouseEvent::RightButtonDown;
+  }
+  NOTREACHED();
+  return 0;
+}
+
 void InitMouseEvent(WebInputEvent::Type t,
                     WebMouseEvent::Button b,
                     const WebPoint& pos,
@@ -58,7 +88,7 @@ void InitMouseEvent(WebInputEvent::Type t,
                     WebMouseEvent* e) {
   e->type = t;
   e->button = b;
-  e->modifiers = modifiers;
+  e->modifiers = modifiers | GetWebMouseEventModifierForButton(b);
   e->x = pos.x;
   e->y = pos.y;
   e->globalX = pos.x;
@@ -263,14 +293,6 @@ std::vector<std::string> MakeMenuItemStringsFor(
 // WebKit impl and layout test results.
 const float kScrollbarPixelsPerTick = 40.0f;
 
-WebMouseEvent::Button GetButtonTypeFromButtonNumber(int button_code) {
-  if (!button_code)
-    return WebMouseEvent::ButtonLeft;
-  if (button_code == 2)
-    return WebMouseEvent::ButtonRight;
-  return WebMouseEvent::ButtonMiddle;
-}
-
 class MouseDownTask : public WebMethodTask<EventSender> {
  public:
   MouseDownTask(EventSender* obj, int button_number, int modifiers)