Add SkSVGCanvas api Fuzzer (#4061)

* add svg api fuzzer

* fixed build.sh

Co-authored-by: Zepeng Hu <zepenghu@google.com>

projects/skia/BUILD.gn.diff

@@ -284,6 +284,36 @@ test_app("api_null_canvas") {
   ]
 }
 
+test_app("api_svg_canvas") {
+  include_dirs = [
+    "include",
+    "include/svg",
+  ]
+  sources = [
+    "fuzz/Fuzz.cpp",
+    "fuzz/FuzzCanvas.cpp",
+    "fuzz/FuzzCommon.cpp",
+    "fuzz/oss_fuzz/FuzzAPISVGCanvas.cpp",
+    "src/svg/SkSVGCanvas.cpp",
+    "tools/Resources.cpp",
+    "tools/UrlDataManager.cpp",
+    "tools/debugger/DebugCanvas.cpp",
+    "tools/debugger/DebugLayerManager.cpp",
+    "tools/debugger/DrawCommand.cpp",
+    "tools/debugger/JsonWriteBuffer.cpp",
+    "tools/fonts/TestFontMgr.cpp",
+    "tools/fonts/TestSVGTypeface.cpp",
+    "tools/fonts/TestTypeface.cpp",
+  ]
+  deps = [
+    ":experimental_svg_model",
+    ":flags",
+    ":gpu_tool_utils",
+    ":skia",
+    "//third_party/libpng",
+  ]
+}
+
 test_app("png_encoder") {
   sources = [
     "fuzz/Fuzz.cpp",

projects/skia/build.sh

@@ -111,7 +111,7 @@ $SRC/depot_tools/ninja -C out/Fuzz region_deserialize region_set_path \
                                    api_polyutils android_codec image_decode_incremental \
                                    sksl2glsl sksl2spirv sksl2metal sksl2pipeline \
                                    api_skdescriptor skdescriptor_deserialize\
-                                   svg_dom
+                                   svg_dom api_svg_canvas
 
 $SRC/depot_tools/ninja -C out/Fuzz_mem_constraints image_filter_deserialize \
                                                    api_raster_n32_canvas \
@@ -219,3 +219,6 @@ cp ./api_skdescriptor_seed_corpus.zip $OUT/skdescriptor_deserialize_seed_corpus.
 
 cp out/Fuzz/svg_dom $OUT/svg_dom
 cp ./svg_dom_seed_corpus.zip $OUT/svg_dom_seed_corpus.zip
+
+cp out/Fuzz/api_svg_canvas $OUT/api_svg_canvas
+cp ./canvas_seed_corpus.zip $OUT/api_svg_canvas_corpus.zip