Completed the code path from AndroidProviderService to HistoryBackend.

chrome/test/base/testing_profile.cc

Index: chrome/test/base/testing_profile.cc
diff --git a/chrome/test/base/testing_profile.cc b/chrome/test/base/testing_profile.cc
index b24948bfb636a709da2664fc6d3836af115969ee..021ee01ca0b82744bb59f72de2ea449556880a67 100644
--- a/chrome/test/base/testing_profile.cc
+++ b/chrome/test/base/testing_profile.cc
@@ -197,6 +197,9 @@ TestingProfile::TestingProfile(const FilePath& path,
 }
 
 void TestingProfile::Init() {
+  if (!file_util::PathExists(profile_path_))
+    file_util::CreateDirectory(profile_path_);
+
   ExtensionSystemFactory::GetInstance()->SetTestingFactory(
       this, TestExtensionSystem::Build);