Make platform depend on openmax_dl.

Source/platform/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/ui.gni")
 import("//third_party/WebKit/Source/build/scripts/scripts.gni")
 import("//third_party/WebKit/Source/config.gni")
 import("//third_party/WebKit/Source/platform/platform.gni")
 import("//third_party/WebKit/Source/platform/platform_generated.gni")
 
@@ skipping 293 matching lines @@
   if (cpu_arch == "arm") {
     deps += [ ":blink_arm_neon" ]
   }
 
   if (use_webaudio_ffmpeg) {
     include_dirs += [ "//third_party/ffmpeg" ]
     deps += [ "//third_party/ffmpeg" ]
   }
   if (use_openmax_dl_fft) {
     include_dirs += [ "//third_party/openmax_dl" ]
-    # TODO(GYP)
-    # deps += [ "//third_party/openmax_dl/dl" ]
+    deps += [ "//third_party/openmax_dl/dl" ]
   }
 }
 
 test("heap_unittests") {
   visibility = []  # Allow re-assignment of list.
   visibility = [ "//third_party/WebKit/*" ]
   output_name = "blink_heap_unittests"
 
   sources = rebase_path(heap_gypi.platform_heap_test_files, ".", "heap")
   sources += [ "heap/RunAllTests.cpp" ]
@@ skipping 65 matching lines @@
     #'cflags': ['-marm'],
     #    'conditions': [
     #      ['OS=="android"', {
     #        'cflags!': ['-mthumb'],
     #      }],
     #    ],
 
     deps = [ ":blink_common" ]
   }
 }