clean-up and clarify CreatePlatformCanvas methods

ui/gfx/blit_unittest.cc

Index: ui/gfx/blit_unittest.cc
diff --git a/ui/gfx/blit_unittest.cc b/ui/gfx/blit_unittest.cc
index 50e7952265adbf157ccdda77dbafbf89a364d982..2bce0dcffe5add2fda46ee1e9c419b8383adf136 100644
--- a/ui/gfx/blit_unittest.cc
+++ b/ui/gfx/blit_unittest.cc
@@ -152,9 +152,10 @@ TEST(Blit, WithSharedMemory) {
   base::SharedMemory shared_mem;
   ASSERT_TRUE(shared_mem.CreateAnonymous(kCanvasWidth * kCanvasHeight));
   base::SharedMemoryHandle section = shared_mem.handle();
-  std::unique_ptr<SkCanvas> canvas = skia::CreatePlatformCanvas(
-      kCanvasWidth, kCanvasHeight, true, section.GetHandle(),
-      skia::RETURN_NULL_ON_FAILURE);
+  std::unique_ptr<SkCanvas> canvas =
+      skia::CreatePlatformCanvasWithSharedSection(kCanvasWidth, kCanvasHeight,
+                                                  true, section.GetHandle(),
+                                                  skia::RETURN_NULL_ON_FAILURE);
   ASSERT_TRUE(canvas);
   shared_mem.Close();