Tab Search: Add memory benchmark stories

Add tab_search:measure_memory:before and tab_search:measure_memory:after
to measure memory before/after open tab search.
Add tab_search:clean_slate to benchmark tab search without any traffic.

Bug: 1099917
Change-Id: I748609a91af8866c9814ff0cf2a17e92dd197d5a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2622951Reviewed-by: John Chen <johnchen@chromium.org>
Reviewed-by: Thomas Lukaszewicz <tluk@chromium.org>
Commit-Queue: Yuheng Huang <yuhengh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#842613}

tools/perf/page_sets/data/tab_search_desktop.json

 {
     "archives": {
+        "tab_search:clean_slate": {
+            "DEFAULT": "tab_search_desktop_1b410a96cc.wprgo"
+        },
         "tab_search:close_and_open:2020": {
             "DEFAULT": "tab_search_desktop_1b410a96cc.wprgo"
         },
         "tab_search:close_and_open:loading:2020": {
             "DEFAULT": "tab_search_desktop_5284f907bd.wprgo"
         },
+        "tab_search:measure_memory:after": {
+            "DEFAULT": "tab_search_desktop_1b410a96cc.wprgo"
+        },
+        "tab_search:measure_memory:before": {
+            "DEFAULT": "tab_search_desktop_1b410a96cc.wprgo"
+        },
         "tab_search:scroll_up_and_down:2020": {
             "DEFAULT": "tab_search_desktop_0c9707c535.wprgo"
         },

tools/perf/page_sets/tab_search/tab_search_stories.py

@@ -17,6 +17,9 @@ class TabSearchStorySet(story.StorySet):
       tab_search_story.TabSearchStoryCloseAndOpen,
       tab_search_story.TabSearchStoryCloseAndOpenLoading,
       tab_search_story.TabSearchStoryScrollUpAndDown,
+      tab_search_story.TabSearchStoryCleanSlate,
+      tab_search_story.TabSearchStoryMeasureMemoryBefore,
+      tab_search_story.TabSearchStoryMeasureMemoryAfter,
   ]
 
   def __init__(self):

tools/perf/page_sets/tab_search/tab_search_story.py

@@ -75,7 +75,8 @@ class TabSearchStory(page.Page):
   def RunNavigateSteps(self, action_runner):
     url_list = self.URL_LIST
     tabs = action_runner.tab.browser.tabs
-    tabs[0].Navigate('https://' + url_list[0])
+    if len(url_list) > 0:
+      tabs[0].Navigate('https://' + url_list[0])
     for url in url_list[1:]:
       new_tab = tabs.New()
       new_tab.Navigate('https://' + url)
@@ -255,6 +256,50 @@ class TabSearchStoryScrollUpAndDown(TabSearchStory):
     self.ScrollUpAndDown(action_runner)
 
 
+class TabSearchStoryCleanSlate(TabSearchStory):
+  NAME = 'tab_search:clean_slate'
+  URL_LIST = []
+  URL = 'about:blank'
+  WAIT_FOR_NETWORK_QUIESCENCE = False
+
+  def InteractWithPage(self, action_runner):
+    action_runner.Wait(1)
+
+
+class TabSearchStoryMeasureMemory(TabSearchStory):
+  URL_LIST = []
+  URL = 'about:blank'
+  WAIT_FOR_NETWORK_QUIESCENCE = False
+
+  def WillStartTracing(self, chrome_trace_config):
+    chrome_trace_config.category_filter.AddExcludedCategory('*')
+    chrome_trace_config.category_filter.AddIncludedCategory('blink.console')
+    chrome_trace_config.category_filter.AddDisabledByDefault(
+        'disabled-by-default-memory-infra')
+
+  def GetExtraTracingMetrics(self):
+    return ['memoryMetric']
+
+
+class TabSearchStoryMeasureMemoryBefore(TabSearchStoryMeasureMemory):
+  NAME = 'tab_search:measure_memory:before'
+
+  def RunNavigateSteps(self, action_runner):
+    super(TabSearchStoryMeasureMemoryBefore,
+          self).RunNavigateSteps(action_runner)
+    action_runner.MeasureMemory(deterministic_mode=True)
+
+  def InteractWithPage(self, action_runner):
+    action_runner.Wait(1)
+
+
+class TabSearchStoryMeasureMemoryAfter(TabSearchStoryMeasureMemory):
+  NAME = 'tab_search:measure_memory:after'
+
+  def InteractWithPage(self, action_runner):
+    action_runner.MeasureMemory(deterministic_mode=True)
+
+
 SCROLL_ELEMENT_FUNCTION = '''
 document.querySelector('tab-search-app').shadowRoot.getElementById('tabsList')
 '''