Update DEPS for 5646 branching

Change-Id: Id76d96b2a5050a30d28d800dcfcbf2743611fc6a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4331360
Bot-Commit: Chrome Release Bot (LUCI) <chrome-official-brancher@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/branch-heads/5646@{#1}
Cr-Branched-From: b5d68b5-refs/heads/main@{#1116073}

DEPS

@@ -313,19 +313,19 @@ 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': '3bc7b2e9700bc5fa012979ed638ba1fd7ed3aa66',
+  'v8_revision': 'refs/heads/chromium/5646',
   # 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': '67ad3ddcf9960eeac2c008fa15180d017dd0cbbe',
+  'angle_revision': 'refs/heads/chromium/5646',
   # 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': '3764eb85917a601ca5201e289c37a22054a6d9e6',
   # 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': '6df67a7658cfc022e00909d319cd3da8f96b47b6',
+  'pdfium_revision': 'refs/heads/chromium/5646',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling BoringSSL
   # and whatever else without interference from each other.
@@ -436,7 +436,7 @@ 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': '51fcef41594972417ffcbb5c9f763797086dc540',
+  'dawn_revision': 'refs/heads/chromium/5646',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.
@@ -784,7 +784,7 @@ deps = {
 
   'src/clank': {
     'url': Var('chrome_git') + '/clank/internal/apps.git' + '@' +
-    'bc43b855463364e87c15ca5d17a40c1a1c9a76dd',
+    'refs/heads/chromium/5646',
     'condition': 'checkout_android and checkout_src_internal',
   },
 
@@ -1230,7 +1230,7 @@ deps = {
     Var('chromium_git') + '/devtools/devtools-frontend' + '@' + Var('devtools_frontend_revision'),
 
   'src/third_party/devtools-frontend-internal': {
-      'url': Var('chrome_git') + '/devtools/devtools-internal.git' + '@' + '1bed2dfaabbe936f9afeac6bf31353381ffd6c98',
+      'url': Var('chrome_git') + '/devtools/devtools-internal.git' + '@' + 'refs/heads/chromium/5646',
     'condition': 'checkout_src_internal',
   },
 
@@ -1758,7 +1758,7 @@ 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',
   },
 
@@ -1841,7 +1841,7 @@ deps = {
       'dep_type': 'cipd',
   },
 
-  'src/third_party/vulkan-deps': '{chromium_git}/vulkan-deps@b2d90316944eb50f2e8ab9cafdb4f8d87aef1d56',
+  'src/third_party/vulkan-deps': '{chromium_git}/vulkan-deps@refs/heads/chromium/5646',
 
   'src/third_party/vulkan_memory_allocator':
     Var('chromium_git') + '/external/github.com/GPUOpen-LibrariesAndSDKs/VulkanMemoryAllocator.git' + '@' + 'ebe84bec02c041d28f902da0214bf442743fc907',
@@ -1881,7 +1881,7 @@ deps = {
     Var('chromium_git') + '/external/github.com/gpuweb/cts.git' + '@' + '6c8361e98f1daba65902f5e2fc1297893ac14b67',
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + 'bedb69f26d4ff9609e056d1e843af0c9b786e571',
+    Var('webrtc_git') + '/src.git' + '@' + 'refs/branch-heads/5646',
 
   # Wuffs' canonical repository is at github.com/google/wuffs, but we use
   # Skia's mirror of Wuffs, the same as in upstream Skia's DEPS file.
@@ -1958,7 +1958,7 @@ deps = {
     Var('chromium_git') + '/v8/v8.git' + '@' +  Var('v8_revision'),
 
   'src-internal': {
-    'url': Var('chrome_git') + '/chrome/src-internal.git@077e98a51df6b959b617992bf44a145ed6750a08',
+    'url': Var('chrome_git') + '/chrome/src-internal.git@refs/heads/chromium/5646',
     'condition': 'checkout_src_internal',
   },