Track slow paths in DisplayItemList

third_party/WebKit/Source/platform/graphics/paint/PaintControllerTest.cpp

Index: third_party/WebKit/Source/platform/graphics/paint/PaintControllerTest.cpp
diff --git a/third_party/WebKit/Source/platform/graphics/paint/PaintControllerTest.cpp b/third_party/WebKit/Source/platform/graphics/paint/PaintControllerTest.cpp
index 9904efebe90c1d1137e7c3922762ffbd90d109f1..97f539a71ac250410aa13444ac33a4c3f6610af3 100644
--- a/third_party/WebKit/Source/platform/graphics/paint/PaintControllerTest.cpp
+++ b/third_party/WebKit/Source/platform/graphics/paint/PaintControllerTest.cpp
@@ -1923,8 +1923,7 @@ TEST_F(PaintControllerTestBase, IsSuitableForGpuRasterizationSinglePath) {
   GraphicsContext context(GetPaintController());
   DrawPath(context, client, kBackgroundDrawingType, 1);
   GetPaintController().CommitNewDisplayItems(LayoutSize());
-  EXPECT_TRUE(
-      GetPaintController().GetPaintArtifact().IsSuitableForGpuRasterization());
+  EXPECT_EQ(GetPaintController().GetPaintArtifact().NumSlowPaths(), 1);
 }
 
 TEST_F(PaintControllerTestBase,
@@ -1934,8 +1933,7 @@ TEST_F(PaintControllerTestBase,
 
   DrawPath(context, client, kBackgroundDrawingType, 50);
   GetPaintController().CommitNewDisplayItems(LayoutSize());
-  EXPECT_FALSE(
-      GetPaintController().GetPaintArtifact().IsSuitableForGpuRasterization());
+  EXPECT_EQ(GetPaintController().GetPaintArtifact().NumSlowPaths(), 50);
 }
 
 TEST_F(PaintControllerTestBase,
@@ -1949,8 +1947,7 @@ TEST_F(PaintControllerTestBase,
 
   GetPaintController().EndSkippingCache();
   GetPaintController().CommitNewDisplayItems(LayoutSize());
-  EXPECT_FALSE(
-      GetPaintController().GetPaintArtifact().IsSuitableForGpuRasterization());
+  EXPECT_EQ(GetPaintController().GetPaintArtifact().NumSlowPaths(), 50 * 50);
 }
 
 TEST_F(PaintControllerTestBase,
@@ -1961,9 +1958,7 @@ TEST_F(PaintControllerTestBase,
     GraphicsContext context(GetPaintController());
     DrawPath(context, client, kBackgroundDrawingType, 50);
     GetPaintController().CommitNewDisplayItems(LayoutSize());
-    EXPECT_FALSE(GetPaintController()
-                     .GetPaintArtifact()
-                     .IsSuitableForGpuRasterization());
+    EXPECT_EQ(GetPaintController().GetPaintArtifact().NumSlowPaths(), 50);
   }
 
   client.SetDisplayItemsUncached();
@@ -1972,9 +1967,7 @@ TEST_F(PaintControllerTestBase,
     GraphicsContext context(GetPaintController());
     DrawPath(context, client, kBackgroundDrawingType, 50);
     GetPaintController().CommitNewDisplayItems(LayoutSize());
-    EXPECT_FALSE(GetPaintController()
-                     .GetPaintArtifact()
-                     .IsSuitableForGpuRasterization());
+    EXPECT_EQ(GetPaintController().GetPaintArtifact().NumSlowPaths(), 50);
   }
 }
 
@@ -1986,18 +1979,14 @@ TEST_F(PaintControllerTestBase,
     GraphicsContext context(GetPaintController());
     DrawPath(context, client, kBackgroundDrawingType, 50);
     GetPaintController().CommitNewDisplayItems(LayoutSize());
-    EXPECT_FALSE(GetPaintController()
-                     .GetPaintArtifact()
-                     .IsSuitableForGpuRasterization());
+    EXPECT_EQ(GetPaintController().GetPaintArtifact().NumSlowPaths(), 50);
   }
 
   {
     GraphicsContext context(GetPaintController());
     DrawPath(context, client, kBackgroundDrawingType, 50);
     GetPaintController().CommitNewDisplayItems(LayoutSize());
-    EXPECT_FALSE(GetPaintController()
-                     .GetPaintArtifact()
-                     .IsSuitableForGpuRasterization());
+    EXPECT_EQ(GetPaintController().GetPaintArtifact().NumSlowPaths(), 50);
   }
 }
 
@@ -2013,14 +2002,12 @@ TEST_F(
     DrawPath(context, client, kBackgroundDrawingType, 50);
   }
   GetPaintController().CommitNewDisplayItems(LayoutSize());
-  EXPECT_FALSE(
-      GetPaintController().GetPaintArtifact().IsSuitableForGpuRasterization());
+  EXPECT_EQ(GetPaintController().GetPaintArtifact().NumSlowPaths(), 50);
 
   EXPECT_TRUE(
       SubsequenceRecorder::UseCachedSubsequenceIfPossible(context, container));
   GetPaintController().CommitNewDisplayItems(LayoutSize());
-  EXPECT_FALSE(
-      GetPaintController().GetPaintArtifact().IsSuitableForGpuRasterization());
+  EXPECT_EQ(GetPaintController().GetPaintArtifact().NumSlowPaths(), 50);
 
 #if CHECK_DISPLAY_ITEM_CLIENT_ALIVENESS
   DisplayItemClient::EndShouldKeepAliveAllClients();
@@ -2050,9 +2037,7 @@ TEST_F(PaintControllerTestBase,
     for (int j = 0; j < 50; ++j)
       GetPaintController().CreateAndAppend<EndClipPathDisplayItem>(client);
     GetPaintController().CommitNewDisplayItems(LayoutSize());
-    EXPECT_FALSE(GetPaintController()
-                     .GetPaintArtifact()
-                     .IsSuitableForGpuRasterization());
+    EXPECT_EQ(GetPaintController().GetPaintArtifact().NumSlowPaths(), 50 * i);
   }
 }