Move more test headers from content\test to content\public\test. This way we can enforce that internal content headers don't leak to embedders. Move these headers into the content namespace in the process.

BUG=98716
TBR=phajdan.jr 
Review URL: https://chromiumcodereview.appspot.com/10497009

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@140199 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/browser/extensions/app_process_apitest.cc b/chrome/browser/extensions/app_process_apitest.cc
index 0da843a..78481ba 100644
--- a/chrome/browser/extensions/app_process_apitest.cc
+++ b/chrome/browser/extensions/app_process_apitest.cc
@@ -23,7 +23,7 @@
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/web_contents.h"
-#include "content/test/test_navigation_observer.h"
+#include "content/public/test/test_navigation_observer.h"
 #include "net/base/mock_host_resolver.h"
 
 using content::NavigationController;
@@ -481,10 +481,10 @@
   // 1. The extension launcher page.
   // 2. The URL that the extension launches, which redirects.
   // 3. The app's URL.
-  TestNavigationObserver test_navigation_observer(
-        content::NotificationService::AllSources(),
-        NULL,
-        3);
+  content::TestNavigationObserver test_navigation_observer(
+      content::NotificationService::AllSources(),
+      NULL,
+      3);
 
   // Load the launcher extension, which should launch the app.
   ui_test_utils::NavigateToURLWithDisposition(