Move kEnableExperimentalExtensionApis switch to extensions/common/switches.cc.

Remove it from a lot of API tests that don't need it anymore.

BUG=162530
[email protected]

Review URL: https://chromiumcodereview.appspot.com/20593003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@214836 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/browser/extensions/process_management_browsertest.cc b/chrome/browser/extensions/process_management_browsertest.cc
index bb54aeb..e607d26 100644
--- a/chrome/browser/extensions/process_management_browsertest.cc
+++ b/chrome/browser/extensions/process_management_browsertest.cc
@@ -12,13 +12,13 @@
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
-#include "chrome/common/chrome_switches.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/site_instance.h"
 #include "content/public/browser/web_contents.h"
+#include "extensions/common/switches.h"
 #include "net/dns/mock_host_resolver.h"
 #include "net/test/embedded_test_server/embedded_test_server.h"
 
@@ -32,7 +32,8 @@
   // This is needed for testing isolated apps, which are still experimental.
   virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
     ExtensionBrowserTest::SetUpCommandLine(command_line);
-    command_line->AppendSwitch(switches::kEnableExperimentalExtensionApis);
+    command_line->AppendSwitch(
+        extensions::switches::kEnableExperimentalExtensionApis);
   }
 };