Adding pagesets for gmail and plus. Creating endure benchmark

tools/perf/page_sets/plus_alt_posts_photos.json

Index: tools/perf/page_sets/plus_alt_posts_photos.json
diff --git a/tools/perf/page_sets/plus_alt_posts_photos.json b/tools/perf/page_sets/plus_alt_posts_photos.json
new file mode 100644
index 0000000000000000000000000000000000000000..8a5727ff3b1c2d90e61d594a6053b9fab0e67d3f
--- /dev/null
+++ b/tools/perf/page_sets/plus_alt_posts_photos.json
@@ -0,0 +1,26 @@
+{
+  "description": "Chrome Endure test for Google Plus.",
+  "archive_data_file": "../data/plus_alt_posts_photos.json",
+  "credentials_path": "../data/credentials.json",
+  "user_agent_type": "desktop",
+  "pages": [
+    {
+      "url": "https://plus.google.com/+BarackObama/posts",
+      "why": "Alternate between clicking posts and albums",
+      "credentials": "google",
+      "navigate_steps": [
+        { "action": "navigate" },
+        { "action": "wait", "condition": "element", "text": "Barack Obama" },
+        { "action": "wait", "condition": "element", "selector": "span[guidedhelpid=\"posts_tab_profile\"][class*=\"s6U8x\"]" }
+      ],
+      "endure": [
+        { "action": "click_element", "selector": "span[guidedhelpid=\"posts_tab_profile\"]" },
+        { "action": "wait", "condition": "element", "selector": "span[guidedhelpid=\"posts_tab_profile\"][class*=\"s6U8x\"]" },
+        { "action": "wait", "seconds": 5 },
+        { "action": "click_element", "selector": "span[guidedhelpid=\"photos_tab_profile\"]" },
+        { "action": "wait", "condition": "element", "selector": "span[guidedhelpid=\"photos_tab_profile\"][class*=\"s6U8x\"]" },
+        { "action": "wait", "seconds": 5 }
+      ]
+    }
+  ]
+}