(Re-)introduce AncestorThrottle to handle 'X-Frame-Options'.

content/browser/frame_host/navigation_handle_impl_unittest.cc

Index: content/browser/frame_host/navigation_handle_impl_unittest.cc
diff --git a/content/browser/frame_host/navigation_handle_impl_unittest.cc b/content/browser/frame_host/navigation_handle_impl_unittest.cc
index ff2f74896b714d699edd58909c65ccb3510d2011..aab3b3c5ae16a26a332dcd8746015ec9cff272a0 100644
--- a/content/browser/frame_host/navigation_handle_impl_unittest.cc
+++ b/content/browser/frame_host/navigation_handle_impl_unittest.cc
@@ -94,8 +94,12 @@ class NavigationHandleImplTest : public RenderViewHostImplTestHarness {
     return test_handle_->state() == NavigationHandleImpl::DEFERRING_RESPONSE;
   }
 
-  bool IsCanceling() {
-    return test_handle_->state() == NavigationHandleImpl::CANCELING;
+  bool IsCancelingRequest() {
+    return test_handle_->state() == NavigationHandleImpl::CANCELING_REQUEST;
+  }
+
+  bool IsCancelingResponse() {
+    return test_handle_->state() == NavigationHandleImpl::CANCELING_RESPONSE;
   }
 
   // Helper function to call WillStartRequest on |handle|. If this function
@@ -332,7 +336,7 @@ TEST_F(NavigationHandleImplTest, CancelDeferredWillStart) {
       NavigationThrottle::CANCEL_AND_IGNORE);
   EXPECT_FALSE(IsDeferringStart());
   EXPECT_FALSE(IsDeferringRedirect());
-  EXPECT_TRUE(IsCanceling());
+  EXPECT_TRUE(IsCancelingRequest());
   EXPECT_TRUE(was_callback_called());
   EXPECT_EQ(NavigationThrottle::CANCEL_AND_IGNORE, callback_result());
   EXPECT_EQ(1, test_throttle->will_start_calls());
@@ -366,7 +370,7 @@ TEST_F(NavigationHandleImplTest, CancelDeferredWillRedirect) {
       NavigationThrottle::CANCEL_AND_IGNORE);
   EXPECT_FALSE(IsDeferringStart());
   EXPECT_FALSE(IsDeferringRedirect());
-  EXPECT_TRUE(IsCanceling());
+  EXPECT_TRUE(IsCancelingRequest());
   EXPECT_TRUE(was_callback_called());
   EXPECT_EQ(NavigationThrottle::CANCEL_AND_IGNORE, callback_result());
   EXPECT_EQ(0, test_throttle->will_start_calls());
@@ -399,7 +403,7 @@ TEST_F(NavigationHandleImplTest, CancelDeferredNoIgnore) {
   test_handle()->CancelDeferredNavigation(NavigationThrottle::CANCEL);
   EXPECT_FALSE(IsDeferringStart());
   EXPECT_FALSE(IsDeferringRedirect());
-  EXPECT_TRUE(IsCanceling());
+  EXPECT_TRUE(IsCancelingRequest());
   EXPECT_TRUE(was_callback_called());
   EXPECT_EQ(NavigationThrottle::CANCEL, callback_result());
   EXPECT_EQ(1, test_throttle->will_start_calls());
@@ -509,7 +513,7 @@ TEST_F(NavigationHandleImplTest, DeferThenCancelWillStartRequest) {
   test_handle()->Resume();
   EXPECT_FALSE(IsDeferringStart());
   EXPECT_FALSE(IsDeferringRedirect());
-  EXPECT_TRUE(IsCanceling());
+  EXPECT_TRUE(IsCancelingRequest());
   EXPECT_TRUE(was_callback_called());
   EXPECT_EQ(NavigationThrottle::CANCEL_AND_IGNORE, callback_result());
   EXPECT_EQ(1, defer_throttle->will_start_calls());
@@ -552,7 +556,7 @@ TEST_F(NavigationHandleImplTest, DeferThenCancelWillRedirectRequest) {
   test_handle()->Resume();
   EXPECT_FALSE(IsDeferringStart());
   EXPECT_FALSE(IsDeferringRedirect());
-  EXPECT_TRUE(IsCanceling());
+  EXPECT_TRUE(IsCancelingRequest());
   EXPECT_TRUE(was_callback_called());
   EXPECT_EQ(NavigationThrottle::CANCEL_AND_IGNORE, callback_result());
   EXPECT_EQ(0, defer_throttle->will_start_calls());
@@ -648,6 +652,7 @@ TEST_F(NavigationHandleImplTest, ProceedThenCancelWillProcessResponse) {
   SimulateWillProcessResponse();
   EXPECT_FALSE(IsDeferringStart());
   EXPECT_FALSE(IsDeferringRedirect());
+  EXPECT_TRUE(IsCancelingRequest());
   EXPECT_TRUE(was_callback_called());
   EXPECT_EQ(NavigationThrottle::CANCEL_AND_IGNORE, callback_result());
   EXPECT_EQ(0, cancel_throttle->will_start_calls());