mac: Fix five browser_tests on Yosemite.

chrome/test/base/in_process_browser_test.cc

Index: chrome/test/base/in_process_browser_test.cc
diff --git a/chrome/test/base/in_process_browser_test.cc b/chrome/test/base/in_process_browser_test.cc
index cb63fb1464cc312a393a082090aa012a62868974..1448b70c8c45aa18fe979023a48c8095e26ac78e 100644
--- a/chrome/test/base/in_process_browser_test.cc
+++ b/chrome/test/base/in_process_browser_test.cc
@@ -411,6 +411,9 @@ bool InProcessBrowserTest::SetUpUserDataDirectory() {
 // Creates a browser with a single tab (about:blank), waits for the tab to
 // finish loading and shows the browser.
 Browser* InProcessBrowserTest::CreateBrowser(Profile* profile) {
+#if defined(OS_MACOSX)
+  base::mac::ScopedNSAutoreleasePool pool;
+#endif  // defined(OS_MACOSX)
   Browser* browser = new Browser(
       Browser::CreateParams(profile, chrome::GetActiveDesktop()));
   AddBlankTabAndShow(browser);
@@ -418,6 +421,9 @@ Browser* InProcessBrowserTest::CreateBrowser(Profile* profile) {
 }
 
 Browser* InProcessBrowserTest::CreateIncognitoBrowser() {
+#if defined(OS_MACOSX)
+  base::mac::ScopedNSAutoreleasePool pool;
+#endif  // defined(OS_MACOSX)
   // Create a new browser with using the incognito profile.
   Browser* incognito = new Browser(
       Browser::CreateParams(browser()->profile()->GetOffTheRecordProfile(),
@@ -427,6 +433,9 @@ Browser* InProcessBrowserTest::CreateIncognitoBrowser() {
 }
 
 Browser* InProcessBrowserTest::CreateBrowserForPopup(Profile* profile) {
+#if defined(OS_MACOSX)
+  base::mac::ScopedNSAutoreleasePool pool;
+#endif  // defined(OS_MACOSX)
   Browser* browser =
       new Browser(Browser::CreateParams(Browser::TYPE_POPUP, profile,
                   chrome::GetActiveDesktop()));
@@ -437,6 +446,9 @@ Browser* InProcessBrowserTest::CreateBrowserForPopup(Profile* profile) {
 Browser* InProcessBrowserTest::CreateBrowserForApp(
     const std::string& app_name,
     Profile* profile) {
+#if defined(OS_MACOSX)
+  base::mac::ScopedNSAutoreleasePool pool;
+#endif  // defined(OS_MACOSX)
   Browser* browser = new Browser(
       Browser::CreateParams::CreateForApp(
           app_name, false /* trusted_source */, gfx::Rect(), profile,