Add creation of ServiceManager to Content (2nd try)

mojo/service_manager/service_manager.h

Index: mojo/service_manager/service_manager.h
diff --git a/mojo/service_manager/service_manager.h b/mojo/service_manager/service_manager.h
index c05e1770209c849354a80eb4fcc0ea26a763311a..cf4c3854b698e58023223adaa8819bddb6fa5b13 100644
--- a/mojo/service_manager/service_manager.h
+++ b/mojo/service_manager/service_manager.h
@@ -9,20 +9,30 @@
 
 #include "base/basictypes.h"
 #include "base/callback.h"
+#include "base/gtest_prod_util.h"
 #include "mojo/public/shell/shell.mojom.h"
+#include "mojo/service_manager/service_manager_export.h"
 #include "url/gurl.h"
 
+namespace content {
+  class MojoTest;
+}
+
 namespace mojo {
 
 class ServiceLoader;
 
-class ServiceManager {
+class MOJO_SERVICE_MANAGER_EXPORT ServiceManager {
  public:
   // API for testing.
-  class TestAPI {
+  class MOJO_SERVICE_MANAGER_EXPORT TestAPI {
    private:
     friend class ServiceManagerTest;
+    friend class content::MojoTest;
+
     explicit TestAPI(ServiceManager* manager) : manager_(manager) {}
+    // Returns true if the shared instance has been created.
+    static bool HasCreatedInstance();
     // Returns true if there is a ServiceFactory for this URL.
     bool HasFactoryForURL(const GURL& url) const;
 
@@ -50,7 +60,7 @@ class ServiceManager {
   class ServiceFactory;
 
   // Removes a ServiceFactory when it no longer has any connections.
-  void RemoveServiceFactory(ServiceFactory* service_factory);
+  void OnServiceFactoryError(ServiceFactory* service_factory);
 
   ServiceLoader* default_loader_;
   typedef std::map<GURL, ServiceFactory*> ServiceFactoryMap;