Scripts for unity/jumbo (default disabled) compilation

third_party/WebKit/Source/core/html/BUILD.gn

Index: third_party/WebKit/Source/core/html/BUILD.gn
diff --git a/third_party/WebKit/Source/core/html/BUILD.gn b/third_party/WebKit/Source/core/html/BUILD.gn
index 84cf436e810c20d04045e1f87a2c725a5a07d65e..942e2a6a1fb43baf13275bf58f8cb2715922b52d 100644
--- a/third_party/WebKit/Source/core/html/BUILD.gn
+++ b/third_party/WebKit/Source/core/html/BUILD.gn
@@ -551,6 +551,17 @@ blink_core_sources("html") {
     "track/vtt/VTTTokenizer.h",
   ]
 
+  jumbo_excluded_sources = [
+    "canvas/CanvasRenderingContext.cpp",  # https://crbug.com/716395
+
+    # Does ugly things with undef (patch incoming)
+    "parser/HTMLTokenizer.cpp",
+
+    # kSupportedTokens in both HTMLMediaElementControlsList.cpp
+    # and HTMLIFrameElementSandbox.cpp
+    "HTMLIFrameElementSandbox.cpp",
+  ]
+
   configs += [
     # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
     "//build/config/compiler:no_size_t_to_int_warning",