Revert of Statically link libprotobuf_lite on Linux

third_party/protobuf/BUILD.gn

Index: third_party/protobuf/BUILD.gn
diff --git a/third_party/protobuf/BUILD.gn b/third_party/protobuf/BUILD.gn
index 31dca3de1fb827ca31c79e86504ae8e013713ffc..48a8f2395d140118f7eeac2bd33d6234a079b871 100644
--- a/third_party/protobuf/BUILD.gn
+++ b/third_party/protobuf/BUILD.gn
@@ -136,18 +136,7 @@
   ]
 }
 
-# Do not allow libprotobuf_lite to be dynamically linked on Linux.  Later
-# versions of Ubuntu like Xenial and Yakkety link in the system
-# libprotobuf_lite by the following dependency chain: chrome -> gtk ->
-# libmirclient -> libmirprotobuf -> libprotobuf-lite.  Trying to load
-# the system libprotobuf-lite after already having loaded the libprotobuf_lite
-# component will result in an immediate crash. (crbug.com/700120)
-if (is_linux && !is_chromeos) {
-  link_target_type = "static_library"
-} else {
-  link_target_type = "component"
-}
-target(link_target_type, "protobuf_lite") {
+component("protobuf_lite") {
   sources = protobuf_lite_sources
 
   configs -= [ "//build/config/compiler:chromium_code" ]
@@ -177,7 +166,7 @@
   cflags = protobuf_lite_cflags
 
   # Required for component builds. See http://crbug.com/172800.
-  if (is_component_build && (!is_linux || is_chromeos)) {
+  if (is_component_build) {
     public_configs += [ ":protobuf_use_dlls" ]
     defines = [ "LIBPROTOBUF_EXPORTS" ]
   }