Test extension reloading behavior.

content/public/test/mock_render_process_host.cc

Index: content/public/test/mock_render_process_host.cc
diff --git a/content/public/test/mock_render_process_host.cc b/content/public/test/mock_render_process_host.cc
index d877d443356d23767f3543f21449683845557195..3e02eca9fae5e84691411729e5f3c0ef5d73b120 100644
--- a/content/public/test/mock_render_process_host.cc
+++ b/content/public/test/mock_render_process_host.cc
@@ -251,10 +251,14 @@ RenderProcessHost* MockRenderProcessHostFactory::CreateRenderProcessHost(
     processes_.push_back(host);
     host->SetFactory(this);
   }
+  FOR_EACH_OBSERVER(Observer, observer_list_,
+                    OnRenderProcessHostCreated(host));
   return host;
 }
 
 void MockRenderProcessHostFactory::Remove(MockRenderProcessHost* host) const {
+  FOR_EACH_OBSERVER(Observer, observer_list_,
+                    OnRenderProcessHostDestroyed(host));
   for (ScopedVector<MockRenderProcessHost>::iterator it = processes_.begin();
        it != processes_.end(); ++it) {
     if (*it == host) {
@@ -264,4 +268,14 @@ void MockRenderProcessHostFactory::Remove(MockRenderProcessHost* host) const {
   }
 }
 
+MockRenderProcessHostFactory::Observer::Observer(
+    MockRenderProcessHostFactory* factory)
+    : factory_(factory) {
+  factory->AddObserver(this);
+}
+
+MockRenderProcessHostFactory::Observer::~Observer() {
+  factory_->RemoveObserver(this);
+}
+
 }  // content