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-rw-r--r--chromium/third_party/WebKit/Source/web/WebPluginContainerImpl.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/chromium/third_party/WebKit/Source/web/WebPluginContainerImpl.cpp b/chromium/third_party/WebKit/Source/web/WebPluginContainerImpl.cpp
index 5715802c81c..bd2e7d0eb13 100644
--- a/chromium/third_party/WebKit/Source/web/WebPluginContainerImpl.cpp
+++ b/chromium/third_party/WebKit/Source/web/WebPluginContainerImpl.cpp
@@ -724,8 +724,10 @@ void WebPluginContainerImpl::dispose()
for (size_t i = 0; i < m_pluginLoadObservers.size(); ++i)
m_pluginLoadObservers[i]->clearPluginContainer();
- if (m_webPlugin)
+ if (m_webPlugin) {
+ RELEASE_ASSERT(!m_webPlugin->container() || m_webPlugin->container() == this);
m_webPlugin->destroy();
+ }
m_webPlugin = nullptr;
if (m_webLayer) {