diff --git a/DEPS b/DEPS
index 8afccef69f637..8366b66bf01a5 100644
--- a/DEPS
+++ b/DEPS
@@ -41,6 +41,7 @@ gclient_gn_args = [
 
 
 vars = {
+  "buildspec_platforms": "ios",
   # Variable that can be used to support multiple build scenarios, like having
   # Chromium specific targets in a client project's GN file or sync dependencies
   # conditionally etc.
@@ -182,7 +183,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.
-  'v8_revision': 'refs/heads/chromium/4156',
+  'v8_revision': '5db4a28ef75f893e85b7f505f5528cc39e9deef5',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling swarming_client
   # and whatever else without interference from each other.
@@ -190,7 +191,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling ANGLE
   # and whatever else without interference from each other.
-  'angle_revision': 'refs/heads/chromium/4156',
+  'angle_revision': '6789018a71c1cc70af8576c650a514c58d372d95',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.
@@ -198,7 +199,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling PDFium
   # and whatever else without interference from each other.
-  'pdfium_revision': 'refs/heads/chromium/4156',
+  'pdfium_revision': '4ae21d7942e1b2e21aa791edf3611b7ecaa9aca9',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling BoringSSL
   # and whatever else without interference from each other.
@@ -249,7 +250,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling devtools-frontend
   # and whatever else without interference from each other.
-  'devtools_frontend_revision': 'refs/heads/chromium/4156',
+  'devtools_frontend_revision': '3d7430ef3e8f7b4013ac93d685920a97a8899669',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling libprotobuf-mutator
   # and whatever else without interference from each other.
@@ -1453,7 +1454,7 @@ deps = {
   },
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + 'refs/branch-heads/4156',
+    Var('webrtc_git') + '/src.git' + '@' + '4a39e42ab873be4931f468bee1bde4a112fe0dcc',
 
   'src/third_party/libgifcodec':
      Var('skia_git') + '/libgifcodec' + '@'+  Var('libgifcodec_revision'),
@@ -1525,7 +1526,7 @@ deps = {
     Var('chromium_git') + '/v8/v8.git' + '@' +  Var('v8_revision'),
 
   'src-internal': {
-    'url': 'https://chrome-internal.googlesource.com/chrome/src-internal.git@refs/heads/chromium/4156',
+    'url': 'https://chrome-internal.googlesource.com/chrome/src-internal.git@98f433737a29b172a30a8d0bc5a9f1af3e8d82c7',
     'condition': 'checkout_src_internal',
   },