tools/android/loading: Add support for multiple redirects.

tools/android/loading/request_dependencies_lens_unittest.py

Index: tools/android/loading/request_dependencies_lens_unittest.py
diff --git a/tools/android/loading/request_dependencies_lens_unittest.py b/tools/android/loading/request_dependencies_lens_unittest.py
index 9549d042bd28b01a3e5d4b113696faf41f944b35..5c02576c6c0eb1235ab018e23f6e636d0f336703 100644
--- a/tools/android/loading/request_dependencies_lens_unittest.py
+++ b/tools/android/loading/request_dependencies_lens_unittest.py
@@ -37,9 +37,17 @@ class FakeRequestTrack(devtools_monitor.Track):
 
 class RequestDependencyLensTestCase(unittest.TestCase):
   _REDIRECT_REQUEST = Request.FromJsonDict(
-      {'url': 'http://bla.com', 'request_id': '1234.1.redirect',
+      {'url': 'http://bla.com', 'request_id': '1234.redirect.1',
        'initiator': {'type': 'other'},
        'timestamp': 1, 'timing': TimingFromDict({})})
+  _REDIRECTED_REQUEST = Request.FromJsonDict({
+      'url': 'http://bla.com',
+      'request_id': '1234.1',
+      'frame_id': '123.1',
+      'initiator': {'type': 'redirect',
+                    'initiating_request': '1234.redirect.1'},
+      'timestamp': 2,
+      'timing': TimingFromDict({})})
   _REQUEST = Request.FromJsonDict({'url': 'http://bla.com',
                                    'request_id': '1234.1',
                                    'frame_id': '123.1',
@@ -79,7 +87,8 @@ class RequestDependencyLensTestCase(unittest.TestCase):
         'frame_id': '123.13', 'parent_frame_id': '123.1'}])
 
   def testRedirectDependency(self):
-    request_track = FakeRequestTrack([self._REDIRECT_REQUEST, self._REQUEST])
+    request_track = FakeRequestTrack([
+        self._REDIRECT_REQUEST, self._REDIRECTED_REQUEST])
     loading_trace = LoadingTrace(None, None, PageTrack(None),
                                  request_track, None)
     request_dependencies_lens = RequestDependencyLens(loading_trace)
@@ -114,7 +123,7 @@ class RequestDependencyLensTestCase(unittest.TestCase):
 
   def testSeveralDependencies(self):
     request_track = FakeRequestTrack(
-        [self._REDIRECT_REQUEST, self._REQUEST, self._JS_REQUEST,
+        [self._REDIRECT_REQUEST, self._REDIRECTED_REQUEST, self._JS_REQUEST,
          self._JS_REQUEST_2])
     loading_trace = LoadingTrace(None, None, PageTrack(None),
                                  request_track, None)