Fixes for re-enabling more MSVC level 4 warnings: content/renderer/ edition

content/renderer/npapi/webplugin_delegate_proxy.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/renderer/npapi/webplugin_delegate_proxy.h"
 
 #include <algorithm>
 
 #include "base/auto_reset.h"
 #include "base/basictypes.h"
@@ skipping 751 matching lines @@
   Send(new PluginMsg_SetFocus(instance_id_, focused));
 #if defined(OS_WIN)
   if (render_view_)
     render_view_->PluginFocusChanged(focused, instance_id_);
 #endif
 }
 
 bool WebPluginDelegateProxy::HandleInputEvent(
     const WebInputEvent& event,
     WebCursor::CursorInfo* cursor_info) {
-  bool handled;
+  bool handled = false;
   WebCursor cursor;
   // A windowless plugin can enter a modal loop in the context of a
   // NPP_HandleEvent call, in which case we need to pump messages to
   // the plugin. We pass of the corresponding event handle to the
   // plugin process, which is set if the plugin does enter a modal loop.
   IPC::SyncMessage* message = new PluginMsg_HandleInputEvent(
       instance_id_, &event, &handled, &cursor);
   message->set_pump_messages_event(modal_loop_pump_messages_event_.get());
   Send(message);
   return handled;
@@ skipping 453 matching lines @@
 
   plugin_->URLRedirectResponse(allow, resource_id);
 }
 
 void WebPluginDelegateProxy::OnCheckIfRunInsecureContent(const GURL& url,
                                                          bool* result) {
   *result = plugin_->CheckIfRunInsecureContent(url);
 }
 
 }  // namespace content