Refactor notifications of chrome/browser/webdata

components/autofill/browser/autofill_manager_unittest.cc

Index: components/autofill/browser/autofill_manager_unittest.cc
diff --git a/components/autofill/browser/autofill_manager_unittest.cc b/components/autofill/browser/autofill_manager_unittest.cc
index 2f9e5f528cd3f44a6be00133aa81048e51aa6747..e88906bd3def330699d20291aabd5124640ac079 100644
--- a/components/autofill/browser/autofill_manager_unittest.cc
+++ b/components/autofill/browser/autofill_manager_unittest.cc
@@ -706,6 +706,10 @@ class AutofillManagerTest : public ChromeRenderViewHostTestHarness {
     file_thread_.Stop();
     ChromeRenderViewHostTestHarness::TearDown();
     io_thread_.Stop();
+
+    // Remove the BrowserContext so TestPersonalDataManager does not need to
+    // care about removing self as an observer in destruction.
+    personal_data_.SetBrowserContext(NULL);
   }
 
   virtual TestingProfile* CreateProfile() {