Revert of Remove a bunch of NPAPI quirks and related support code

content/browser/renderer_host/render_widget_host_impl.cc

 // Copyright (c) 2012 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/browser/renderer_host/render_widget_host_impl.h"
 
 #include <math.h>
 #include <set>
 #include <utility>
 
@@ skipping 451 matching lines @@
     IPC_MESSAGE_HANDLER(ViewHostMsg_SetCursor, OnSetCursor)
     IPC_MESSAGE_HANDLER(ViewHostMsg_TextInputStateChanged,
                         OnTextInputStateChanged)
     IPC_MESSAGE_HANDLER(ViewHostMsg_LockMouse, OnLockMouse)
     IPC_MESSAGE_HANDLER(ViewHostMsg_UnlockMouse, OnUnlockMouse)
     IPC_MESSAGE_HANDLER(ViewHostMsg_ShowDisambiguationPopup,
                         OnShowDisambiguationPopup)
     IPC_MESSAGE_HANDLER(ViewHostMsg_SelectionChanged, OnSelectionChanged)
     IPC_MESSAGE_HANDLER(ViewHostMsg_SelectionBoundsChanged,
                         OnSelectionBoundsChanged)
+#if defined(OS_WIN)
+    IPC_MESSAGE_HANDLER(ViewHostMsg_WindowlessPluginDummyWindowCreated,
+                        OnWindowlessPluginDummyWindowCreated)
+    IPC_MESSAGE_HANDLER(ViewHostMsg_WindowlessPluginDummyWindowDestroyed,
+                        OnWindowlessPluginDummyWindowDestroyed)
+#endif
     IPC_MESSAGE_HANDLER(InputHostMsg_ImeCompositionRangeChanged,
                         OnImeCompositionRangeChanged)
     IPC_MESSAGE_HANDLER(ViewHostMsg_DidFirstPaintAfterLoad,
                         OnFirstPaintAfterLoad)
     IPC_MESSAGE_HANDLER(ViewHostMsg_ForwardCompositorProto,
                         OnForwardCompositorProto)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
 
   if (!handled && input_router_ && input_router_->OnMessageReceived(msg))
@@ skipping 1323 matching lines @@
   // Aura-based systems will want to convert this to DIPs.
   if (view_)
     view_->ShowDisambiguationPopup(rect_pixels, zoomed_bitmap);
 
   // It is assumed that the disambiguation popup will make a copy of the
   // provided zoomed image, so we delete this one.
   zoomed_bitmap.setPixels(0);
   Send(new ViewMsg_ReleaseDisambiguationPopupBitmap(GetRoutingID(), id));
 }
 
+#if defined(OS_WIN)
+void RenderWidgetHostImpl::OnWindowlessPluginDummyWindowCreated(
+    gfx::NativeViewId dummy_activation_window) {
+  HWND hwnd = reinterpret_cast<HWND>(dummy_activation_window);
+
+  // This may happen as a result of a race condition when the plugin is going
+  // away.
+  wchar_t window_title[MAX_PATH + 1] = {0};
+  if (!IsWindow(hwnd) ||
+      !GetWindowText(hwnd, window_title, arraysize(window_title)) ||
+      lstrcmpiW(window_title, kDummyActivationWindowName) != 0) {
+    return;
+  }
+
+#if defined(USE_AURA)
+  SetParent(hwnd,
+            reinterpret_cast<HWND>(view_->GetParentForWindowlessPlugin()));
+#else
+  SetParent(hwnd, reinterpret_cast<HWND>(GetNativeViewId()));
+#endif
+  dummy_windows_for_activation_.push_back(hwnd);
+}
+
+void RenderWidgetHostImpl::OnWindowlessPluginDummyWindowDestroyed(
+    gfx::NativeViewId dummy_activation_window) {
+  HWND hwnd = reinterpret_cast<HWND>(dummy_activation_window);
+  std::list<HWND>::iterator i = dummy_windows_for_activation_.begin();
+  for (; i != dummy_windows_for_activation_.end(); ++i) {
+    if ((*i) == hwnd) {
+      dummy_windows_for_activation_.erase(i);
+      return;
+    }
+  }
+  NOTREACHED() << "Unknown dummy window";
+}
+#endif
+
 void RenderWidgetHostImpl::SetIgnoreInputEvents(bool ignore_input_events) {
   ignore_input_events_ = ignore_input_events;
 }
 
 bool RenderWidgetHostImpl::KeyPressListenersHandleEvent(
     const NativeWebKeyboardEvent& event) {
   if (event.skip_in_browser || event.type != WebKeyboardEvent::RawKeyDown)
     return false;
 
   for (size_t i = 0; i < key_press_event_callbacks_.size(); i++) {
@@ skipping 366 matching lines @@
 }
 
 #if defined(OS_WIN)
 gfx::NativeViewAccessible
     RenderWidgetHostImpl::GetParentNativeViewAccessible() {
   return delegate_ ? delegate_->GetParentNativeViewAccessible() : NULL;
 }
 #endif
 
 }  // namespace content