Change timeouts for renderer and plugin hang detection

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 <utility>
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
@@ skipping 51 matching lines @@
 
 namespace {
 
 // How long to (synchronously) wait for the renderer to respond with a
 // PaintRect message, when our backing-store is invalid, before giving up and
 // returning a null or incorrectly sized backing-store from GetBackingStore.
 // This timeout impacts the "choppiness" of our window resize perf.
 static const int kPaintMsgTimeoutMS = 50;
 
 // How long to wait before we consider a renderer hung.
-static const int kHungRendererDelayMs = 20000;
+static const int kHungRendererDelayMs = 30000;
 
 // Returns |true| if the two wheel events should be coalesced.
 bool ShouldCoalesceMouseWheelEvents(const WebMouseWheelEvent& last_event,
                                     const WebMouseWheelEvent& new_event) {
   return last_event.modifiers == new_event.modifiers &&
          last_event.scrollByPage == new_event.scrollByPage &&
          last_event.hasPreciseScrollingDeltas
              == new_event.hasPreciseScrollingDeltas &&
          last_event.phase == new_event.phase &&
          last_event.momentumPhase == new_event.momentumPhase;
@@ skipping 1751 matching lines @@
   // indicate that no callback is in progress (i.e. without this line
   // DelayedAutoResized will not get called again).
   new_auto_size_.SetSize(0, 0);
   if (!should_auto_resize_)
     return;
 
   OnRenderAutoResized(new_size);
 }
 
 }  // namespace content