Remove some global defines and build flags.

content/browser/BUILD.gn

Index: content/browser/BUILD.gn
diff --git a/content/browser/BUILD.gn b/content/browser/BUILD.gn
index af4cca18209cf165fabbab1edf3764d25ddd1fe8..0248825a887d7457aff6fdd0a6bfc1b3ec6cfb70 100644
--- a/content/browser/BUILD.gn
+++ b/content/browser/BUILD.gn
@@ -6,6 +6,7 @@ import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//media/media_options.gni")
 import("//printing/features/features.gni")
+import("//third_party/WebKit/public/public_features.gni")
 import("//tools/ipc_fuzzer/ipc_fuzzer.gni")
 
 source_set("browser") {
@@ -113,6 +114,7 @@ source_set("browser") {
     "//storage/browser",
     "//storage/common",
     "//third_party/WebKit/public:blink_headers",
+    "//third_party/WebKit/public:features",
     "//third_party/WebKit/public:image_resources",
     "//third_party/WebKit/public:mojo_bindings",
     "//third_party/WebKit/public:offscreen_canvas_mojo_bindings",
@@ -1942,7 +1944,6 @@ source_set("browser") {
       "hyphenation/hyphenation_impl.cc",
       "hyphenation/hyphenation_impl.h",
     ]
-    defines += [ "USE_MINIKIN_HYPHENATION=1" ]
   }
 }