Stubbed out linking on Fuchsia

BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/android/config.gni")
 import("//build/config/arm.gni")
 import("//build/config/dcheck_always_on.gni")
 import("//build/config/host_byteorder.gni")
 import("//build/config/mips.gni")
 import("//build/config/sanitizers/sanitizers.gni")
@@ skipping 2578 matching lines @@
           "src/base/debug/stack_trace_posix.cc",
           "src/base/platform/platform-linux.cc",
         ]
       }
     } else {
       sources += [
         "src/base/debug/stack_trace_android.cc",
         "src/base/platform/platform-linux.cc",
       ]
     }
+  } else if (is_fuchsia) {
+    sources += [
+      "src/base/debug/stack_trace_fuchsia.cc",
+      "src/base/platform/platform-fuchsia.cc",
+    ]
   } else if (is_mac) {
     sources += [
       "src/base/debug/stack_trace_posix.cc",
       "src/base/platform/platform-macos.cc",
     ]
   } else if (is_win) {
     # TODO(jochen): Add support for cygwin.
     sources += [
       "src/base/debug/stack_trace_win.cc",
       "src/base/platform/platform-win32.cc",
@@ skipping 720 matching lines @@
   ]
 
   configs = [
     ":external_config",
     ":internal_config_base",
   ]
 }
 
 v8_fuzzer("wasm_compile_fuzzer") {
 }