Remove enable_web_speech flag.

content/test/BUILD.gn

Index: content/test/BUILD.gn
diff --git a/content/test/BUILD.gn b/content/test/BUILD.gn
index b756300f1f66f63c41a9fe9fa47e093e5068817c..57fb16e95d0c7018d8784a612b202673db029524 100644
--- a/content/test/BUILD.gn
+++ b/content/test/BUILD.gn
@@ -824,6 +824,9 @@ test("content_browsertests") {
         "${target_gen_dir}/content_browsertests_manifest/AndroidManifest.xml"
     android_manifest_dep = ":content_browsertests_manifest"
     use_default_launcher = false
+  } else {
+    # Non-Android.
+    sources += [ "../browser/speech/speech_recognition_browsertest.cc" ]
   }
 
   if (is_mac) {
@@ -886,10 +889,6 @@ test("content_browsertests") {
     data_deps += [ "//ppapi:ppapi_tests" ]
   }
 
-  if (enable_web_speech) {
-    sources += [ "../browser/speech/speech_recognition_browsertest.cc" ]
-  }
-
   if (!is_chrome_branded) {
     # These tests depend on single process mode, which is disabled
     # in official builds.
@@ -1583,15 +1582,6 @@ test("content_unittests") {
     ]
   }
 
-  if (enable_web_speech) {
-    sources += [
-      "../browser/speech/chunked_byte_buffer_unittest.cc",
-      "../browser/speech/endpointer/endpointer_unittest.cc",
-      "../browser/speech/speech_recognition_engine_unittest.cc",
-      "../browser/speech/speech_recognizer_impl_unittest.cc",
-    ]
-  }
-
   if (is_linux) {
     if (use_dbus) {
       deps += [ "//dbus:test_support" ]
@@ -1639,8 +1629,14 @@ test("content_unittests") {
     ]
 
     defines += [ "APPCACHE_USE_SIMPLE_CACHE" ]
-  }
-  if (!is_android) {
+  } else {
+    # Non-Android.
+    sources += [
+      "../browser/speech/chunked_byte_buffer_unittest.cc",
+      "../browser/speech/endpointer/endpointer_unittest.cc",
+      "../browser/speech/speech_recognition_engine_unittest.cc",
+      "../browser/speech/speech_recognizer_impl_unittest.cc",
+    ]
     deps += [ "//third_party/libvpx" ]
   }