Add text size animation to silk page set

BUG=368420

Review URL: https://codereview.chromium.org/604003002

Cr-Commit-Position: refs/heads/master@{#296783}

tools/perf/page_sets/data/key_silk_cases.json

@@ -8,6 +8,9 @@
             "http://jsfiddle.net/3yDKh/4/embedded/result", 
             "http://jsfiddle.net/3yDKh/6/embedded/result"
         ], 
+        "key_silk_cases_018.wpr": [
+            "http://jsbin.com/gikex/2/quiet"
+        ], 
         "key_silk_cases_015.wpr": [
             "http://jsfiddle.net/bNp2h/3/show/"
         ], 
@@ -43,8 +46,19 @@
             "http://jsfiddle.net/FtR7p/42/embedded/result/", 
             "http://jsfiddle.net/ugkd4/9/embedded/result/"
         ], 
-        "key_silk_cases_007.wpr": [
-            "http://jsfiddle.net/jx5De/12/embedded/result"
+        "key_silk_cases_014.wpr": [
+            "http://jsfiddle.net/3yDKh/15/show/", 
+            "http://jsfiddle.net/jx5De/14/show/", 
+            "http://jsfiddle.net/3yDKh/16/show/", 
+            "http://jsfiddle.net/R8DX9/4/show/", 
+            "http://jsfiddle.net/rF9Gh/7/show/", 
+            "http://jsfiddle.net/TLXLu/3/show/", 
+            "http://jsfiddle.net/cKB9D/7/show/", 
+            "http://jsfiddle.net/vBQHH/11/show/", 
+            "http://jsfiddle.net/ugkd4/10/show/", 
+            "http://jsfiddle.net/xLuvC/1/show/", 
+            "http://jsfiddle.net/bNp2h/2/show/", 
+            "http://jsbin.com/UVIgUTa/38/quiet"
         ], 
         "key_silk_cases_013.wpr": [
             "http://jsfiddle.net/bNp2h/1/embedded/result/"
@@ -76,19 +90,8 @@
         "key_silk_cases_008.wpr": [
             "http://jsfiddle.net/jx5De/13/embedded/result"
         ], 
-        "key_silk_cases_014.wpr": [
-            "http://jsfiddle.net/3yDKh/15/show/", 
-            "http://jsfiddle.net/jx5De/14/show/", 
-            "http://jsfiddle.net/3yDKh/16/show/", 
-            "http://jsfiddle.net/R8DX9/4/show/", 
-            "http://jsfiddle.net/rF9Gh/7/show/", 
-            "http://jsfiddle.net/TLXLu/3/show/", 
-            "http://jsfiddle.net/cKB9D/7/show/", 
-            "http://jsfiddle.net/vBQHH/11/show/", 
-            "http://jsfiddle.net/ugkd4/10/show/", 
-            "http://jsfiddle.net/xLuvC/1/show/", 
-            "http://jsfiddle.net/bNp2h/2/show/", 
-            "http://jsbin.com/UVIgUTa/38/quiet"
+        "key_silk_cases_007.wpr": [
+            "http://jsfiddle.net/jx5De/12/embedded/result"
         ], 
         "key_silk_cases_017.wpr": [
             "https://www.google.com/search?hl=en&q=define%3Aboogie"

tools/perf/page_sets/data/key_silk_cases_018.wpr.sha1

+0e34d3101a9dafc9f33f641dabf1c7026b678495
\ No newline at end of file

tools/perf/page_sets/key_silk_cases.py

@@ -633,6 +633,21 @@ class UpdateHistoryState(KeySilkCasesPage):
     interaction.End()
 
 
+class TextSizeAnimation(KeySilkCasesPage):
+
+  """ Why: Scale animation with text. """
+
+  def __init__(self, page_set):
+    super(TextSizeAnimation, self).__init__(
+      url='http://jsbin.com/gikex/2/quiet',
+      page_set=page_set)
+
+    self.gpu_raster = True
+
+  def RunSmoothness(self, action_runner):
+    action_runner.Wait(4)
+
+
 class KeySilkCasesPageSet(page_set_module.PageSet):
 
   """ Pages hand-picked for project Silk. """
@@ -674,3 +689,4 @@ class KeySilkCasesPageSet(page_set_module.PageSet):
     self.AddPage(Page26(self))
     self.AddPage(SVGIconRaster(self))
     self.AddPage(UpdateHistoryState(self))
+    self.AddPage(TextSizeAnimation(self))