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 6584def184cb974d3c6fd24be803b1c4987c44e2..ff24f23bcfe0870de893f03ed9b7e5658640d00e 100644
--- a/components/autofill/browser/autofill_manager_unittest.cc
+++ b/components/autofill/browser/autofill_manager_unittest.cc
@@ -650,6 +650,10 @@ 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() {