Add _desktop_gpu_raster suffix to tough_pinch_zoom cases

For rendering.mobile, the "_desktop_gpu_raster" suffix is added to the
names of pages with the GPU_RASTERIZATION tag enabled. This needs to be
added to the rendering_mobile.json file to fix missing pages.

Bug: 849392
Change-Id: I338542a87b681835a99451f09488c5b7bd54a416
Reviewed-on: https://chromium-review.googlesource.com/1090755Reviewed-by: Ned Nguyen <nednguyen@google.com>
Commit-Queue: Amy Qiu <amyqiu@google.com>
Cr-Commit-Position: refs/heads/master@{#565399}

tools/perf/page_sets/data/rendering_mobile.json

@@ -645,6 +645,60 @@
         "google_image_pinch": {
             "DEFAULT": "tough_pinch_zoom_cases_000.wprgo"
         },
+	"blogspot_pinch_desktop_gpu_raster": {
+            "DEFAULT": "tough_pinch_zoom_cases_000.wprgo"
+        },
+        "espn_pinch_desktop_gpu_raster": {
+            "DEFAULT": "tough_pinch_zoom_cases_000.wprgo"
+        },
+        "facebook_pinch_desktop_gpu_raster": {
+            "DEFAULT": "tough_pinch_zoom_cases_000.wprgo"
+        },
+        "linkedin_pinch_desktop_gpu_raster": {
+            "DEFAULT": "tough_pinch_zoom_cases_000.wprgo"
+        },
+        "twitter_pinch_desktop_gpu_raster": {
+            "DEFAULT": "tough_pinch_zoom_cases_000.wprgo"
+        },
+        "weather_pinch_desktop_gpu_raster": {
+            "DEFAULT": "tough_pinch_zoom_cases_000.wprgo"
+        },
+        "booking_pinch_desktop_gpu_raster": {
+            "DEFAULT": "tough_pinch_zoom_cases_000.wprgo"
+        },
+        "yahoo_games_pinch_desktop_gpu_raster": {
+            "DEFAULT": "tough_pinch_zoom_cases_000.wprgo"
+        },
+        "yahoo_news_pinch_desktop_gpu_raster": {
+            "DEFAULT": "tough_pinch_zoom_cases_000.wprgo"
+        },
+        "yahoo_sports_pinch_desktop_gpu_raster": {
+            "DEFAULT": "tough_pinch_zoom_cases_000.wprgo"
+        },
+        "amazon_pinch_desktop_gpu_raster": {
+            "DEFAULT": "tough_pinch_zoom_cases_000.wprgo"
+        },
+        "cnn_pinch_desktop_gpu_raster": {
+            "DEFAULT": "tough_pinch_zoom_cases_000.wprgo"
+        },
+        "ebay_pinch_desktop_gpu_raster": {
+            "DEFAULT": "tough_pinch_zoom_cases_000.wprgo"
+        },
+        "youtube_pinch_desktop_gpu_raster": {
+            "DEFAULT": "tough_pinch_zoom_cases_000.wprgo"
+        },
+        "gmail_pinch_desktop_gpu_raster": {
+            "DEFAULT": "tough_pinch_zoom_cases_000.wprgo"
+        },
+        "google_search_pinch_desktop_gpu_raster": {
+            "DEFAULT": "tough_pinch_zoom_cases_000.wprgo"
+        },
+        "google_calendar_pinch_desktop_gpu_raster": {
+            "DEFAULT": "tough_pinch_zoom_cases_000.wprgo"
+        },
+        "google_image_pinch_desktop_gpu_raster": {
+            "DEFAULT": "tough_pinch_zoom_cases_000.wprgo"
+        },
         "cats_unscaled": {
             "DEFAULT": "tough_image_decode_cases_000.wprgo"
         },