Port unload_uitest.cc and enable some of the tests on linux....

chrome/browser/unload_uitest.cc

Index: chrome/browser/unload_uitest.cc
===================================================================
--- chrome/browser/unload_uitest.cc	(revision 14443)
+++ chrome/browser/unload_uitest.cc	(working copy)
@@ -3,12 +3,12 @@
 // found in the LICENSE file.
 
 #include "base/file_util.h"
-
+#include "base/platform_thread.h"
 #include "chrome/browser/automation/url_request_mock_http_job.h"
 #include "chrome/common/chrome_switches.h"
+#include "chrome/common/message_box_flags.h"
 #include "chrome/test/automation/browser_proxy.h"
 #include "chrome/test/ui/ui_test.h"
-#include "chrome/views/window/dialog_delegate.h"
 #include "net/url_request/url_request_unittest.h"
 
 const std::string NOLISTENERS_HTML =
@@ -78,7 +78,7 @@
     int max_wait_time = 5000;
     while (max_wait_time > 0) {
       max_wait_time -= kCheckDelayMs;
-      Sleep(kCheckDelayMs);
+      PlatformThread::Sleep(kCheckDelayMs);
       if (!IsBrowserRunning())
         break;
     }
@@ -89,7 +89,7 @@
     int max_wait_time = 5000;
     while (max_wait_time > 0) {
       max_wait_time -= kCheckDelayMs;
-      Sleep(kCheckDelayMs);
+      PlatformThread::Sleep(kCheckDelayMs);
       if (expected_title == GetActiveTabTitle())
         break;
     }
@@ -118,10 +118,10 @@
   void NavigateToNolistenersFileTwiceAsync() {
     // TODO(ojan): We hit a DCHECK in RenderViewHost::OnMsgShouldCloseACK
     // if we don't sleep here.
-    Sleep(400);
+    PlatformThread::Sleep(400);
     NavigateToURLAsync(
         URLRequestMockHTTPJob::GetMockUrl(L"title2.html"));
-    Sleep(400);
+    PlatformThread::Sleep(400);
     NavigateToURL(
         URLRequestMockHTTPJob::GetMockUrl(L"title2.html"));
 
@@ -137,17 +137,26 @@
   }
 
   void ClickModalDialogButton(MessageBoxFlags::DialogButton button) {
+#if defined(OS_WIN)
     bool modal_dialog_showing = false;
     MessageBoxFlags::DialogButton available_buttons;
     EXPECT_TRUE(automation()->WaitForAppModalDialog(3000));
     EXPECT_TRUE(automation()->GetShowingAppModalDialog(&modal_dialog_showing,
         &available_buttons));
     ASSERT_TRUE(modal_dialog_showing);
-    EXPECT_TRUE((button & available_buttons) != NULL);
+    EXPECT_TRUE((button & available_buttons) != 0);
     EXPECT_TRUE(automation()->ClickAppModalDialogButton(button));
+#else
+    // TODO(port): port this function if and when the tests that use it are
+    // enabled (currently they are not being run even on windows).
+    NOTIMPLEMENTED();
+#endif
   }
 };
 
+// TODO(port): these tests fail on linux because they leave a renderer process
+// lying around which holds onto the user data directory.
+#if defined(OS_WIN)
 // Navigate to a page with an infinite unload handler.
 // Then two two async crosssite requests to ensure
 // we don't get confused and think we're closing the tab.
@@ -203,6 +212,7 @@
   NavigateToNolistenersFileTwice();
   ASSERT_TRUE(IsBrowserRunning());
 }
+#endif
 
 // Tests closing the browser on a page with no unload listeners registered.
 TEST_F(UnloadTest, BrowserCloseNoUnloadListeners) {