Merge key_silk_cases into rendering page sets

Move key_silk_cases into the rendering folder and refactor classes to
inherit from RenderingStory.

Bug: 849392
Change-Id: Ibc4c5289c3c14b1dc8a990cc7e2156a45e93fce0
Reviewed-on: https://chromium-review.googlesource.com/1087569
Commit-Queue: Amy Qiu <amyqiu@google.com>
Reviewed-by: Ned Nguyen <nednguyen@google.com>
Cr-Commit-Position: refs/heads/master@{#565631}

tools/perf/benchmarks/smoothness.py

@@ -6,7 +6,6 @@ from core import perf_benchmark
 from benchmarks import silk_flags
 from measurements import smoothness
 import page_sets
-import page_sets.key_silk_cases
 from telemetry import benchmark
 from telemetry import story as story_module
 

tools/perf/expectations.config

@@ -183,6 +183,8 @@ crbug.com/785473 [ Android_Webview ] rendering.mobile/canvas_60000_pixels_per_se
 crbug.com/785473 [ Android_Webview ] rendering.mobile/canvas_90000_pixels_per_second [ Skip ]
 crbug.com/850295 [ All ] rendering.mobile/aquarium_20k [ Skip ]
 crbug.com/795060 [ Android_One ] rendering.mobile/extra_large_texture_uploads [ Skip ]
+crbug.com/780525 [ All ] rendering.mobile/polymer_topeka [ Skip ]
+crbug.com/461127 [ All ] rendering.mobile/famo_us_twitter_demo [ Skip ]
 
 # Benchmark: smoothness.gpu_rasterization.polymer
 [ All ] smoothness.gpu_rasterization.polymer/* [ Skip ] # Test needs to be modernized.

tools/perf/page_sets/data/rendering_mobile.json

@@ -704,6 +704,72 @@
         },
         "cats_viewport_width": {
             "DEFAULT": "tough_image_decode_cases_000.wprgo"
+	},
+	"list_recycle_transform": {
+            "DEFAULT": "key_silk_cases_001.wprgo"
+        },
+        "sticky_using_webkit": {
+            "DEFAULT": "key_silk_cases_001.wprgo"
+        },
+	"card_expansion": {
+            "DEFAULT": "key_silk_cases_014.wprgo"
+        },
+        "card_expansion_animated": {
+            "DEFAULT": "key_silk_cases_014.wprgo"
+        },
+        "card_flying": {
+            "DEFAULT": "key_silk_cases_014.wprgo"
+        },
+        "zoom_in_animation": {
+            "DEFAULT": "key_silk_cases_014.wprgo"
+        },
+        "swipe_to_dismiss": {
+            "DEFAULT": "key_silk_cases_014.wprgo"
+        },
+        "horizontal_vertical_expansion": {
+            "DEFAULT": "key_silk_cases_014.wprgo"
+        },
+        "vertical_expansion": {
+            "DEFAULT": "key_silk_cases_014.wprgo"
+        },
+        "parallax_effect": {
+            "DEFAULT": "key_silk_cases_014.wprgo"
+        },
+        "coordinated_animation": {
+            "DEFAULT": "key_silk_cases_014.wprgo"
+        },
+        "mask_transition_animation": {
+            "DEFAULT": "key_silk_cases_014.wprgo"
+        },
+        "card_expansion_images_text": {
+            "DEFAULT": "key_silk_cases_015.wprgo"
+        },
+        "physical_simulation": {
+            "DEFAULT": "key_silk_cases_014.wprgo"
+        },
+        "basic_stream": {
+            "DEFAULT": "key_silk_cases_002.wprgo"
+        },
+        "google_news_ios": {
+            "DEFAULT": "key_silk_cases_002.wprgo"
+        },
+        "mobile_news_sandbox": {
+            "DEFAULT": "key_silk_cases_002.wprgo"
+        },
+        "famo_us_twitter_demo": {
+            "DEFAULT": "key_silk_cases_002.wprgo"
+        },
+        "svg_icon_raster": {
+            "DEFAULT": "key_silk_cases_016.wprgo"
+        },
+        "gws_google_expansion": {
+            "DEFAULT": "key_silk_cases_002.wprgo"
+        },
+        "gws_boogie_expansion": {
+            "DEFAULT": "key_silk_cases_017.wprgo"
+        },
+        "polymer_topeka": {
+            "DEFAULT": "key_silk_cases_018.wprgo"
         }
     },
     "description": "Describes the Web Page Replay archives for a story set. Don't edit by hand! Use record_wpr for updating.",