Adds UMA for PrerenderingOffliner request processing result status.

components/offline_pages/background/request_coordinator_unittest.cc

Index: components/offline_pages/background/request_coordinator_unittest.cc
diff --git a/components/offline_pages/background/request_coordinator_unittest.cc b/components/offline_pages/background/request_coordinator_unittest.cc
index 0204b1b8cd932c56d7800680a08181e0af37b52a..1d8884569dd2bc57be064d4cd61243dbd986250c 100644
--- a/components/offline_pages/background/request_coordinator_unittest.cc
+++ b/components/offline_pages/background/request_coordinator_unittest.cc
@@ -89,8 +89,8 @@ class OfflinerStub : public Offliner {
   // Clears the currently processing request, if any.
   void Cancel() override {
     base::ThreadTaskRunnerHandle::Get()->PostTask(
-        FROM_HERE,
-        base::Bind(callback_, request_, Offliner::RequestStatus::CANCELED));
+        FROM_HERE, base::Bind(callback_, request_,
+                              Offliner::RequestStatus::PRERENDERING_CANCELED));
   }
 
   void enable_callback(bool enable) {
@@ -105,7 +105,6 @@ class OfflinerStub : public Offliner {
 
 class OfflinerFactoryStub : public OfflinerFactory {
  public:
-
   OfflinerFactoryStub() : offliner_(nullptr) {}
 
   Offliner* GetOffliner(const OfflinerPolicy* policy) override {
@@ -356,7 +355,8 @@ TEST_F(RequestCoordinatorTest, OfflinerDoneRequestFailed) {
   // Call the OfflinerDoneCallback to simulate the request failed, wait
   // for callbacks.
   EnableOfflinerCallback(true);
-  SendOfflinerDoneCallback(request, Offliner::RequestStatus::FAILED);
+  SendOfflinerDoneCallback(request,
+                           Offliner::RequestStatus::PRERENDERING_FAILED);
   PumpLoop();
 
   // Verify the request is not removed from the queue, and wait for callbacks.
@@ -434,7 +434,8 @@ TEST_F(RequestCoordinatorTest, StartProcessingThenStopProcessingLater) {
 
   // OfflinerDoneCallback will not end up getting called with status SAVED,
   // Since we cancelled the event before it called offliner_->LoadAndSave().
-  EXPECT_EQ(Offliner::RequestStatus::CANCELED, last_offlining_status());
+  EXPECT_EQ(Offliner::RequestStatus::PRERENDERING_CANCELED,
+            last_offlining_status());
 }
 
 TEST_F(RequestCoordinatorTest, PrerendererTimeout) {
@@ -478,7 +479,8 @@ TEST_F(RequestCoordinatorTest, PrerendererTimeout) {
   PumpLoop();
 
   // Now trying to start processing on another request should return false.
-  EXPECT_EQ(Offliner::RequestStatus::CANCELED, last_offlining_status());
+  EXPECT_EQ(Offliner::RequestStatus::REQUEST_COORDINATOR_CANCELED,
+            last_offlining_status());
 }
 
 }  // namespace offline_pages