Adjust the edge-AA tessellator maximum verb count.

Increasing the verb count from 10 to 100 in Skia's edge-AA tessellating
path renderer improves performance on many tests, including
Animometer's Canvas Stroke Paths and the bugs listed below.

Bug: 805031, 223694, 715116
Cq-Include-Trybots: luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel
Change-Id: I57d775ddce3200e5f54bae448de9fd2dffe30e72
Reviewed-on: https://chromium-review.googlesource.com/1099564Reviewed-by: Zhenyao Mo <zmo@chromium.org>
Reviewed-by: Justin Novosad <junov@chromium.org>
Commit-Queue: Stephen White <senorblanco@chromium.org>
Cr-Commit-Position: refs/heads/master@{#568155}

content/test/gpu/gpu_tests/pixel_expectations.py

@@ -16,6 +16,10 @@ class PixelExpectations(GpuTestExpectations):
     self.Flaky('Pixel_GpuRasterization_BlueBox',
         ['win', ('amd', 0x6613)], bug=653538)
 
+    # TODO(senorblanco) generate new reference images after Edge-AA tess change.
+    self.Fail('Pixel_OffscreenCanvasAccelerated2D')
+    self.Fail('Pixel_OffscreenCanvasAccelerated2DWorker')
+
     # Software compositing is not supported on Android; so we skip these tests
     # that disables gpu compositing on Android platforms.
     self.Skip('Pixel_OffscreenCanvasUnaccelerated2D', ['android'])

content/test/gpu/gpu_tests/pixel_test_pages.py

@@ -468,14 +468,14 @@ def ExperimentalCanvasFeaturesPages(base_name):
       'pixel_offscreenCanvas_2d_commit_main.html',
       base_name + '_OffscreenCanvasAccelerated2D',
       test_rect=[0, 0, 360, 200],
-      revision=10,
+      revision=11,
       browser_args=browser_args),
 
     PixelTestPage(
       'pixel_offscreenCanvas_2d_commit_worker.html',
       base_name + '_OffscreenCanvasAccelerated2DWorker',
       test_rect=[0, 0, 360, 200],
-      revision=10,
+      revision=11,
       browser_args=browser_args),
 
     PixelTestPage(

skia/config/SkUserConfig.h

@@ -225,7 +225,7 @@ SK_API void SkDebugf_FileLine(const char* file, int line, bool fatal,
 #endif
 
 // Max. verb count for paths rendered by the edge-AA tessellating path renderer.
-#define GR_AA_TESSELLATOR_MAX_VERB_COUNT 10
+#define GR_AA_TESSELLATOR_MAX_VERB_COUNT 100
 
 // Remove this and rebaseline affected layout tests.
 #define SK_DONT_DROP_UNNECESSARY_AA_IN_TEXTURE_OP