Update Maps pixel test.

content/test/gpu/page_sets/data/maps_004_expectations.json

Index: content/test/gpu/page_sets/data/maps_004_expectations.json
diff --git a/content/test/gpu/page_sets/data/maps_004_expectations.json b/content/test/gpu/page_sets/data/maps_004_expectations.json
new file mode 100644
index 0000000000000000000000000000000000000000..4cb5dbc1ade98b24d7dbb270de6761322bad8b47
--- /dev/null
+++ b/content/test/gpu/page_sets/data/maps_004_expectations.json
@@ -0,0 +1,50 @@
+[
+  {
+    "comment": "scale factor overrides",
+    "scale_factor_overrides": [
+      {
+        "machine_name": "Nexus 6",
+        "scale_factor": 1.47436
+      },
+      {
+        "machine_name": "Nexus 9",
+        "scale_factor": 1.566
+      }
+    ]
+  },
+  {
+    "comment": "light green",
+    "location": [ 100, 175 ],
+    "size": [ 1, 1 ],
+    "color": [ 202, 223, 170 ],
+    "tolerance": 3
+  },
+  {
+    "comment": "darker green",
+    "location": [ 40, 250 ],
+    "size": [ 1, 1 ],
+    "color": [ 190, 214, 190 ],
+    "tolerance": 3
+  },
+  {
+    "comment": "blue lake",
+    "location": [ 590, 390 ],
+    "size": [ 1, 1 ],
+    "color": [ 145, 188, 255 ],
+    "tolerance": 3
+  },
+  {
+    "comment": "darker gray",
+    "location": [ 90, 125 ],
+    "size": [ 1, 1 ],
+    "color": [ 233, 229, 220 ],
+    "tolerance": 3
+  },
+  {
+    "comment": "lighter gray",
+    "location": [ 390, 300 ],
+    "size": [ 1, 1 ],
+    "color": [ 240, 237, 229 ],
+    "tolerance": 3
+  }
+]