Revert order of EXTENSION_LOADED and EXTENSION_INSTALLED notifications back to

chrome/browser/extensions/component_loader_unittest.cc

Index: chrome/browser/extensions/component_loader_unittest.cc
diff --git a/chrome/browser/extensions/component_loader_unittest.cc b/chrome/browser/extensions/component_loader_unittest.cc
index c014fd18a0ab1734feb55caa0261ea430da0e4c3..2830c8beed11a99c615303525aa7e78f30edf844 100644
--- a/chrome/browser/extensions/component_loader_unittest.cc
+++ b/chrome/browser/extensions/component_loader_unittest.cc
@@ -28,11 +28,10 @@ class MockExtensionService : public TestExtensionService {
   MockExtensionService() : ready_(false), unloaded_count_(0) {
   }
 
-  virtual bool AddExtension(const Extension* extension) OVERRIDE {
+  virtual void AddExtension(const Extension* extension) OVERRIDE {
     EXPECT_FALSE(extension_set_.Contains(extension->id()));
     // ExtensionService must become the owner of the extension object.
     extension_set_.Insert(extension);
-    return true;
   }
 
   virtual void UnloadExtension(