Mac Plugins: Remove PluginProcessHost dtor check that it is on the UI thread.

content/browser/plugin_process_host.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/plugin_process_host.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #elif defined(OS_POSIX)
 #include <utility>  // for pair<>
@@ skipping 103 matching lines @@
 #if defined(OS_WIN)
   // We erase HWNDs from the plugin_parent_windows_set_ when we receive a
   // notification that the window is being destroyed. If we don't receive this
   // notification and the PluginProcessHost instance is being destroyed, it
   // means that the plugin process crashed. We paint a sad face in this case in
   // the renderer process. To ensure that the sad face shows up, and we don't
   // leak HWNDs, we should destroy existing plugin parent windows.
   std::set<HWND>::iterator window_index;
   for (window_index = plugin_parent_windows_set_.begin();
        window_index != plugin_parent_windows_set_.end();
-       window_index++) {
+       ++window_index) {
     PostMessage(*window_index, WM_CLOSE, 0, 0);
   }
 #elif defined(OS_MACOSX)
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   // If the plugin process crashed but had fullscreen windows open at the time,
   // make sure that the menu bar is visible.
-  std::set<uint32>::iterator window_index;
-  for (window_index = plugin_fullscreen_windows_set_.begin();
-       window_index != plugin_fullscreen_windows_set_.end();
-       window_index++) {
-    if (BrowserThread::CurrentlyOn(BrowserThread::UI)) {
-      base::mac::ReleaseFullScreen(base::mac::kFullScreenModeHideAll);
-    } else {
-      BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
-                              base::Bind(base::mac::ReleaseFullScreen,
-                                         base::mac::kFullScreenModeHideAll));
-    }
+  for (size_t i = 0; i < plugin_fullscreen_windows_set_.size(); ++i) {
+    BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
+                            base::Bind(base::mac::ReleaseFullScreen,
+                                       base::mac::kFullScreenModeHideAll));
   }
   // If the plugin hid the cursor, reset that.
   if (!plugin_cursor_visible_) {
-    if (BrowserThread::CurrentlyOn(BrowserThread::UI)) {
-      base::mac::SetCursorVisibility(true);
-    } else {
-      BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
-                              base::Bind(base::mac::SetCursorVisibility, true));
-    }
+    BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
+                            base::Bind(base::mac::SetCursorVisibility, true));
   }
 #endif
   // Cancel all pending and sent requests.
   CancelRequests();
 }
 
 bool PluginProcessHost::Send(IPC::Message* message) {
   return process_->Send(message);
 }
 
@@ skipping 260 matching lines @@
 void PluginProcessHost::OnChannelCreated(
     const IPC::ChannelHandle& channel_handle) {
   Client* client = sent_requests_.front();
 
   if (client)
     client->OnChannelOpened(channel_handle);
   sent_requests_.pop_front();
 }
 
 }  // namespace content