linux: don't try to create plugin container if view_ is NULL

chrome/browser/renderer_host/render_widget_host.cc

 // Copyright (c) 2009 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 "chrome/browser/renderer_host/render_widget_host.h"
 
 #include "base/auto_reset.h"
 #include "base/histogram.h"
 #include "base/keyboard_codes.h"
 #include "base/message_loop.h"
@@ skipping 867 matching lines @@
 void RenderWidgetHost::OnMsgImeUpdateStatus(int control,
                                             const gfx::Rect& caret_rect) {
   if (view_) {
     view_->IMEUpdateStatus(control, caret_rect);
   }
 }
 
 #if defined(OS_LINUX)
 
 void RenderWidgetHost::OnMsgCreatePluginContainer(gfx::PluginWindowHandle id) {
-  view_->CreatePluginContainer(id);
+  // TODO(piman): view_ can only be NULL with delayed view creation in
+  // extensions (see ExtensionHost::CreateRenderViewSoon). Figure out how to
+  // support plugins in that case.

[Evan Martin, 2009/12/01 06:29:15]

Can you add a NOTIMPLEMENTED in the "else" case?

+  if (view_) {
+    view_->CreatePluginContainer(id);
+  }
 }
 
 void RenderWidgetHost::OnMsgDestroyPluginContainer(gfx::PluginWindowHandle id) {
-  view_->DestroyPluginContainer(id);
+  if (view_) {
+    view_->DestroyPluginContainer(id);
+  }
 }
 
 #elif defined(OS_MACOSX)
 
 void RenderWidgetHost::OnMsgShowPopup(
     const ViewHostMsg_ShowPopup_Params& params) {
   view_->ShowPopupWithItems(params.bounds,
                             params.item_height,
                             params.selected_item,
                             params.popup_items);
@@ skipping 174 matching lines @@
   // Send the pending PaintRect_ACK message after sending all pending key
   // events or after a certain duration, so that the renderer can process
   // the updates caused by the key events in batch.
   if (paint_ack_postponed_ && (pending_key_events_ == 0 ||
       (TimeTicks::Now() - paint_ack_postponed_time_).InMilliseconds() >
       kPaintACKMsgMaxPostponedDurationMS)) {
     paint_ack_postponed_ = false;
     Send(new ViewMsg_PaintRect_ACK(routing_id_));
   }
 }