Add unit tests for AppListServiceImpl.

chrome/browser/ui/app_list/test/fake_profile.cc

Index: chrome/browser/ui/app_list/test/fake_profile.cc
diff --git a/chrome/browser/ui/app_list/test/fake_profile.cc b/chrome/browser/ui/app_list/test/fake_profile.cc
index 836fed956b932037a8b28031195268cb372cd87f..c6485718f869ec3dcef658e89debb095271c1108 100644
--- a/chrome/browser/ui/app_list/test/fake_profile.cc
+++ b/chrome/browser/ui/app_list/test/fake_profile.cc
@@ -8,12 +8,17 @@ FakeProfile::FakeProfile(const std::string& name)
     : name_(name) {
 }
 
+FakeProfile::FakeProfile(const std::string& name, const base::FilePath& path)
+    : name_(name),
+      path_(path) {
+}
+
 std::string FakeProfile::GetProfileName() {
   return name_;
 }
 
 base::FilePath FakeProfile::GetPath() const {
-  return base::FilePath();
+  return path_;
 }
 
 bool FakeProfile::IsOffTheRecord() const {