AU: OmahaRequestAction: allow to be skipped.

mock_http_fetcher.h

Index: mock_http_fetcher.h
diff --git a/mock_http_fetcher.h b/mock_http_fetcher.h
index b46e0237aa6936a35e7b2b5fb43f6fe247849c37..6d72b9265e6c9f3ccfffce5f37e00a05e782937b 100644
--- a/mock_http_fetcher.h
+++ b/mock_http_fetcher.h
@@ -36,7 +36,8 @@ class MockHttpFetcher : public HttpFetcher {
         timeout_source_(NULL),
         timout_tag_(0),
         paused_(false),
-        fail_transfer_(false) {
+        fail_transfer_(false),
+        never_use_(false) {
     data_.insert(data_.end(), data, data + size);
   }
 
@@ -66,6 +67,9 @@ class MockHttpFetcher : public HttpFetcher {
   // Fail the transfer. This simulates a network failure.
   void FailTransfer(int http_response_code);
 
+  // If set to true, this will EXPECT fail on BeginTransfer
+  void set_never_use(bool never_use) { never_use_ = never_use; }
+
   const std::vector<char>& post_data() const {
     return post_data_;
   }
@@ -108,6 +112,9 @@ class MockHttpFetcher : public HttpFetcher {
   // Set to true if the transfer should fail.
   bool fail_transfer_;
 
+  // Set to true if BeginTransfer should EXPECT fail.
+  bool never_use_;
+
   DISALLOW_COPY_AND_ASSIGN(MockHttpFetcher);
 };