Try to diagnose blink reinitialisation in WebView.

content/browser/browser_main_loop.cc

Index: content/browser/browser_main_loop.cc
diff --git a/content/browser/browser_main_loop.cc b/content/browser/browser_main_loop.cc
index 9980d2e09b6f3e47719dfc82cec2bf4fa29e6e81..616f523ec8163d93ce5f66d319954dd2c003359e 100644
--- a/content/browser/browser_main_loop.cc
+++ b/content/browser/browser_main_loop.cc
@@ -401,6 +401,10 @@ base::win::MemoryPressureMonitor* CreateWinMemoryPressureMonitor(
 // The currently-running BrowserMainLoop.  There can be one or zero.
 BrowserMainLoop* g_current_browser_main_loop = NULL;
 
+#if defined(OS_ANDROID)
+bool g_browser_main_loop_shutting_down = false;
+#endif
+
 // For measuring memory usage after each task. Behind a command line flag.
 class BrowserMainLoop::MemoryObserver : public base::MessageLoop::TaskObserver {
  public:
@@ -988,6 +992,10 @@ void BrowserMainLoop::ShutdownThreadsAndCleanUp() {
       base::Bind(base::IgnoreResult(&base::ThreadRestrictions::SetIOAllowed),
                  true));
 
+#if defined(OS_ANDROID)
+  g_browser_main_loop_shutting_down = true;
+#endif
+
   if (RenderProcessHost::run_renderer_in_process())
     RenderProcessHostImpl::ShutDownInProcessRenderer();