Consolidate Browser Creation.

chrome/browser/ui/cocoa/toolbar/toolbar_controller_unittest.mm

Index: chrome/browser/ui/cocoa/toolbar/toolbar_controller_unittest.mm
===================================================================
--- chrome/browser/ui/cocoa/toolbar/toolbar_controller_unittest.mm	(revision 148382)
+++ chrome/browser/ui/cocoa/toolbar/toolbar_controller_unittest.mm	(working copy)
@@ -49,7 +49,7 @@
     kWrenchIndex, kLocationIndex, kBrowserActionContainerViewIndex
   };
 
-  virtual void SetUp() {
+  virtual void SetUp() OVERRIDE {
     CocoaProfileTest::SetUp();
     ASSERT_TRUE(browser());
 
@@ -71,6 +71,11 @@
     [parent addSubview:[bar_ view]];
   }
 
+  virtual void TearDown() OVERRIDE {
+    bar_.reset();  // browser() must outlive the ToolbarController.
+    CocoaProfileTest::TearDown();
+  }
+
   // Make sure the enabled state of the view is the same as the corresponding
   // command in the updater. The views are in the declaration order of outlets.
   void CompareState(CommandUpdater* updater, NSArray* views) {