Update DEPS for 5227 branching

Change-Id: Iae97a34dc4ddb4f449dc3b6de999da203244331d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3817302
Bot-Commit: Chrome Release Bot (LUCI) <chrome-official-brancher@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/branch-heads/5227@{#1}
Cr-Branched-From: a83bf7b-refs/heads/main@{#1032479}

DEPS

@@ -301,19 +301,19 @@ 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': '3d1e9e70ada44406294dc874181a1efccb406ef5',
+  'v8_revision': 'refs/heads/chromium/5227',
   # 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': '6b248a6886ada8d245ebe8a4d2efd99a2a573c37',
+  'angle_revision': 'refs/heads/chromium/5227',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.
   'swiftshader_revision': 'ed9d5ae1e79c3ecc3bee8e07e852ba24868d27d5',
   # 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': '7757891c155e53d75a3c2f9450bbd17c2c135188',
+  'pdfium_revision': 'refs/heads/chromium/5227',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling BoringSSL
   # and whatever else without interference from each other.
@@ -412,7 +412,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.
-  'dawn_revision': 'ef997b5fda7dd6dcf1794d264823577daf16a0ea',
+  'dawn_revision': 'refs/heads/chromium/5227',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.
@@ -1621,7 +1621,7 @@ deps = {
   },
 
   'src/third_party/requests/src': {
-      'url': Var('chromium_git') + '/external/github.com/kennethreitz/requests.git' + '@' + 'refs/tags/v2.23.0',
+      'url': Var('chromium_git') + '/external/github.com/kennethreitz/requests.git' + '@' + 'c7e0fc087ceeadb8b4c84a0953a422c474093d6d',
       'condition': 'checkout_android',
   },
 
@@ -1693,7 +1693,7 @@ deps = {
       'dep_type': 'cipd',
   },
 
-  'src/third_party/vulkan-deps': '{chromium_git}/vulkan-deps@4b211a6a98e61b2f9e45138498b17701b3062b95',
+  'src/third_party/vulkan-deps': '{chromium_git}/vulkan-deps@refs/heads/chromium/5227',
 
   'src/third_party/vulkan_memory_allocator':
     Var('chromium_git') + '/external/github.com/GPUOpen-LibrariesAndSDKs/VulkanMemoryAllocator.git' + '@' + 'ebe84bec02c041d28f902da0214bf442743fc907',
@@ -1732,7 +1732,7 @@ deps = {
     Var('chromium_git') + '/external/github.com/gpuweb/cts.git' + '@' + '05b229fc27194034b3f408b59943085f48093f35',
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + 'b0a57d8e616213a6b8aa1efdd8681343acf12848',
+    Var('webrtc_git') + '/src.git' + '@' + 'refs/branch-heads/5227',
 
   'src/third_party/libgifcodec':
      Var('skia_git') + '/libgifcodec' + '@'+  Var('libgifcodec_revision'),
@@ -1805,7 +1805,7 @@ deps = {
     Var('chromium_git') + '/v8/v8.git' + '@' +  Var('v8_revision'),
 
   'src-internal': {
-    'url': 'https://chrome-internal.googlesource.com/chrome/src-internal.git@0ae04304e44c3ed66cb825de332559f5e3e46cc3',
+    'url': 'https://chrome-internal.googlesource.com/chrome/src-internal.git@refs/heads/chromium/5227',
     'condition': 'checkout_src_internal',
   },