Revert of [Telemetry] Change HTMLOutputFormatter to be based on chart JSON

tools/telemetry/telemetry/results/html_output_formatter_unittest.py

Index: tools/telemetry/telemetry/results/html_output_formatter_unittest.py
diff --git a/tools/telemetry/telemetry/results/html_output_formatter_unittest.py b/tools/telemetry/telemetry/results/html_output_formatter_unittest.py
index 4fdf206d414512f32dd18104f8af84e5a03d3b7e..3c69cfef91b966aaccd615938a254276455e4f0a 100644
--- a/tools/telemetry/telemetry/results/html_output_formatter_unittest.py
+++ b/tools/telemetry/telemetry/results/html_output_formatter_unittest.py
@@ -79,6 +79,11 @@
             "a.http://www.bar.com/": {
               "current": [7],
               "units": "seconds",
+              "important": False
+            },
+            "telemetry_page_measurement_results.num_errored": {
+              "current": [0],
+              "units": "count",
               "important": False
             },
             "a.http://www.foo.com/": {
@@ -132,6 +137,11 @@
                 "units": "seconds",
                 "important": False
               },
+              "telemetry_page_measurement_results.num_errored": {
+                "current": [0],
+                "units": "count",
+                "important": False
+              },
               "a.http://www.foo.com/": {
                 "current": [3],
                 "units": "seconds",
@@ -164,6 +174,11 @@
                 "units": "seconds",
                 "important": False
               },
+              "telemetry_page_measurement_results.num_errored": {
+                "current": [0],
+                "units": "count",
+                "important": False
+              },
               "a.http://www.foo.com/": {
                 "current": [4],
                 "units": "seconds",
@@ -215,6 +230,11 @@
               "units": "seconds",
               "important": False
             },
+            "telemetry_page_measurement_results.num_errored": {
+              "current": [0],
+              "units": "count",
+              "important": False
+            },
             "a.http://www.foo.com/": {
               "current": [5],
               "units": "seconds",