diff --git a/DEPS b/DEPS
index 338c509faf..135707a845 100644
--- a/DEPS
+++ b/DEPS
@@ -6,7 +6,7 @@
 vars = {
   'extra_gyp_flag': '-Dextra_gyp_flag=0',
   'chromium_git': 'https://chromium.googlesource.com',
-  'chromium_revision': 'c086b4e24d6c6649f99743e46df87f7761dd31d1',
+  'chromium_revision': '4664fe0d123f948bafa7b942717fc5847e61971c',
 }
 
 # NOTE: Prefer revision numbers to tags for svn deps. Use http rather than
diff --git a/webrtc/BUILD.gn b/webrtc/BUILD.gn
index 2978b56fff..fdcfdaad23 100644
--- a/webrtc/BUILD.gn
+++ b/webrtc/BUILD.gn
@@ -8,7 +8,6 @@
 
 # TODO(kjellander): Rebase this to webrtc/build/common.gypi changes after r6330.
 
-import("//build/config/arm.gni")
 import("//build/config/crypto.gni")
 import("//build/config/linux/pkg_config.gni")
 import("build/webrtc.gni")
@@ -150,7 +149,7 @@ config("common_config") {
     } else {
       cflags += [ "-msoft-float" ]
     }
-    if (mips_arch_variant == "mips32r2") {
+    if (mips_arch_variant == "r2") {
       defines += [ "MIPS32_R2_LE" ]
       cflags += [ "-mips32r2" ]
       cflags_cc += [ "-mips32r2" ]
diff --git a/webrtc/build/webrtc.gni b/webrtc/build/webrtc.gni
index 8e489a3794..6459dae0ae 100644
--- a/webrtc/build/webrtc.gni
+++ b/webrtc/build/webrtc.gni
@@ -7,6 +7,7 @@
 # be found in the AUTHORS file in the root of the source tree.
 
 import("//build/config/arm.gni")
+import("//build/config/mips.gni")
 
 declare_args() {
   # Assume Chromium build for now, since that's the priority case for getting GN
@@ -53,9 +54,8 @@ declare_args() {
   # Enable to use the Mozilla internal settings.
   build_with_mozilla = false
 
-  # Define MIPS architecture variant, MIPS DSP variant and MIPS FPU
-  # This may be subject to change in accordance to Chromium's MIPS flags
-  mips_arch_variant = "mips32r1"
+  # Define MIPS DSP variant and MIPS FPU.
+  # This may be subject to change in accordance to Chromium's MIPS flags.
   mips_dsp_rev = 0
   mips_fpu = true