Fix windowed plugins not appearing if opened in the background until the browser resizes.

content/test/plugin/plugin_windowed_test.cc

 // Copyright (c) 2010 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 "content/test/plugin/plugin_windowed_test.h"
 
 #include "base/logging.h"
 #include "content/test/plugin/plugin_client.h"
 
 namespace NPAPIClient {
@@ skipping 21 matching lines @@
     return NPERR_NO_ERROR;
 
   HWND parent = reinterpret_cast<HWND>(pNPWindow->window);
   if (!::IsWindow(parent)) {
     SetError("Invalid arguments passed in");
     return NPERR_INVALID_PARAM;
   }
 
   if ((test_name() == "create_instance_in_paint" && test_id() == "1") ||
       test_name() == "alert_in_window_message" ||
-      test_name() == "set_title_in_paint") {
+      test_name() == "set_title_in_paint" ||
+      test_name() == "set_title_in_set_window_and_paint") {
     static ATOM window_class = 0;
     if (!window_class) {
       WNDCLASSEX wcex;
       wcex.cbSize         = sizeof(WNDCLASSEX);
       wcex.style          = CS_DBLCLKS;
       wcex.lpfnWndProc    = &NPAPIClient::WindowedPluginTest::WindowProc;
       wcex.cbClsExtra     = 0;
       wcex.cbWndExtra     = 0;
       wcex.hInstance      = GetModuleHandle(NULL);
       wcex.hIcon          = 0;
       wcex.hCursor        = 0;
       wcex.hbrBackground  = reinterpret_cast<HBRUSH>(COLOR_WINDOW+1);
       wcex.lpszMenuName   = 0;
       wcex.lpszClassName  = L"CreateInstanceInPaintTestWindowClass";
       wcex.hIconSm        = 0;
       window_class = RegisterClassEx(&wcex);
     }
 
     window_ = CreateWindowEx(
         WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR,
         MAKEINTATOM(window_class), 0,
         WS_CHILD | WS_CLIPCHILDREN | WS_CLIPSIBLINGS | WS_VISIBLE ,
         0, 0, 100, 100, parent, 0, GetModuleHandle(NULL), 0);
     DCHECK(window_);
     // TODO: this propery leaks.
     ::SetProp(window_, L"Plugin_Instance", this);
   }
 
+  if (test_name() == "set_title_in_set_window_and_paint")
+    CallJSFunction(this, "PluginCreated");
+
   return NPERR_NO_ERROR;
 }
 
 NPError WindowedPluginTest::Destroy() {
   if (test_name() != "ensure_scripting_works_in_destroy")
     return NPERR_NO_ERROR;
 
   // Bug 23706: ensure that scripting works with no asserts.
   NPObject *window_obj = NULL;
   HostFunctions()->getvalue(id(), NPNVWindowNPObject,&window_obj);
@@ skipping 34 matching lines @@
   this_ptr->HostFunctions()->invoke(
       this_ptr->id(), window_obj, function_id, NULL, 0, &rv);
 }
 
 LRESULT CALLBACK WindowedPluginTest::WindowProc(
     HWND window, UINT message, WPARAM wparam, LPARAM lparam) {
   WindowedPluginTest* this_ptr =
       reinterpret_cast<WindowedPluginTest*>
           (::GetProp(window, L"Plugin_Instance"));
 
+  if (message == WM_PAINT) {
+    PAINTSTRUCT ps;
+    HDC hdc = BeginPaint(window, &ps);
+    HBRUSH brush = CreateSolidBrush(RGB(255, 0, 0));
+    SelectObject(hdc, brush);
+    RECT r;
+    GetClientRect(window, &r);
+    Rectangle(hdc, 0, 0, r.right, r.bottom);
+    DeleteObject(brush);
+    EndPaint(window, &ps);
+  }
+
   if (this_ptr && !this_ptr->done_) {
     if (this_ptr->test_name() == "create_instance_in_paint" &&
         message == WM_PAINT) {
       this_ptr->done_ = true;
       CallJSFunction(this_ptr, "CreateNewInstance");
     } else if (this_ptr->test_name() == "alert_in_window_message" &&
                message == WM_PAINT) {
       this_ptr->done_ = true;
       // We call this function twice as we want to display two alerts
       // and verify that we don't hang the browser.
       CallJSFunction(this_ptr, "CallAlert");
       CallJSFunction(this_ptr, "CallAlert");
     } else if (this_ptr->test_name() == "set_title_in_paint" &&
                message == WM_PAINT) {
       this_ptr->done_ = true;
       CallJSFunction(this_ptr, "SetTitle");
+    } else if (this_ptr->test_name() == "set_title_in_set_window_and_paint" &&
+               message == WM_PAINT) {
+      this_ptr->done_ = true;
+      CallJSFunction(this_ptr, "PluginShown");
     }
 
     if (this_ptr->done_) {
       ::RemoveProp(window, L"Plugin_Instance");
     }
   }
 
   return DefWindowProc(window, message, wparam, lparam);
 }
 
 } // namespace NPAPIClient