Revert "Pull chromium at 2c3ffb2355a27c32f45e508ef861416b820c823b"

gpu/command_buffer/client/BUILD.gn

Index: gpu/command_buffer/client/BUILD.gn
diff --git a/gpu/command_buffer/client/BUILD.gn b/gpu/command_buffer/client/BUILD.gn
index a5532cbbf08d62373f8f79d0591d047191079ca8..2d28d1affec7d8024e46f350d4572ed16b366d2d 100644
--- a/gpu/command_buffer/client/BUILD.gn
+++ b/gpu/command_buffer/client/BUILD.gn
@@ -19,8 +19,10 @@ source_set("client") {
 
   defines = [ "GPU_IMPLEMENTATION" ]
 
-  # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
-  configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
+  if (is_win) {
+    # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
+    cflags = [ "/wd4267" ]  # size_t to int truncation.
+  }
 
   all_dependent_configs = [ "//third_party/khronos:khronos_headers" ]
 
@@ -54,8 +56,10 @@ source_set("gles2_cmd_helper_sources") {
 
   defines = [ "GPU_IMPLEMENTATION" ]
 
-  # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
-  configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
+  if (is_win) {
+    # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
+    cflags = [ "/wd4267" ]  # size_t to int truncation.
+  }
 
   deps = [
     ":client",
@@ -125,12 +129,14 @@ source_set("gpu_memory_buffer_manager") {
 component("gles2_implementation") {
   sources = gles2_implementation_source_files
 
-  # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
-  configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
-
   defines = [ "GLES2_IMPL_IMPLEMENTATION" ]
   all_dependent_configs = [ "//third_party/khronos:khronos_headers" ]
 
+  if (is_win) {
+    # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
+    cflags = [ "/wd4267" ]  # size_t to int truncation.
+  }
+
   deps = [
     ":gles2_cmd_helper",
     ":gles2_interface",
@@ -165,8 +171,10 @@ component("gles2_c_lib") {
   sources = gles2_c_lib_source_files
   defines = [ "GLES2_C_LIB_IMPLEMENTATION" ]
 
-  # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
-  configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
+  if (is_win) {
+    # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
+    cflags = [ "/wd4267" ]  # size_t to int truncation.
+  }
 
   deps = [
     ":client",