Roll recipe dependencies (nontrivial).

scripts/slave/recipes/webrtc/ios_api_framework.expected/build_failure.json

Index: scripts/slave/recipes/webrtc/ios_api_framework.expected/build_failure.json
diff --git a/scripts/slave/recipes/webrtc/ios_api_framework.expected/build_failure.json b/scripts/slave/recipes/webrtc/ios_api_framework.expected/build_failure.json
index 265883db44fe71c0c6aaaf680f5aa4df5f9e1322..3a00ac3b8095011a70804e47b68b9da0a2ad269a 100644
--- a/scripts/slave/recipes/webrtc/ios_api_framework.expected/build_failure.json
+++ b/scripts/slave/recipes/webrtc/ios_api_framework.expected/build_failure.json
@@ -5,7 +5,6 @@
       "--json-file",
       "/path/to/tmp/json"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "host and tools info",
     "~followup_annotations": [
       "@@@STEP_TEXT@<br />OS X 1.2.3, Xcode 6.7.8 (5D342509a)@@@",
@@ -47,7 +46,6 @@
       "src@HEAD",
       "--output_manifest"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "env": {
       "PATH": "%(PATH)s:RECIPE_PACKAGE_REPO[depot_tools]"
     },
@@ -86,7 +84,6 @@
       "RECIPE_PACKAGE_REPO[depot_tools]/gclient.py",
       "runhooks"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "env": {
       "PATH": "%(PATH)s:RECIPE_PACKAGE_REPO[depot_tools]"
     },
@@ -99,7 +96,6 @@
       "\nimport os, sys\nfrom common import chromium_utils # Error? See https://crbug.com/584783.\n\n\nif os.path.exists(sys.argv[1]):\n  chromium_utils.RemoveDirectory(sys.argv[1])\n",
       "[SLAVE_BUILD]/src/out_ios_arm"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "rmtree out_ios_arm",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@python.inline@@@@",
@@ -119,7 +115,6 @@
       "\nimport os, sys\nfrom common import chromium_utils # Error? See https://crbug.com/584783.\n\n\nif os.path.exists(sys.argv[1]):\n  chromium_utils.RemoveDirectory(sys.argv[1])\n",
       "[SLAVE_BUILD]/src/out_ios_arm64"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "rmtree out_ios_arm64",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@python.inline@@@@",
@@ -139,7 +134,6 @@
       "\nimport os, sys\nfrom common import chromium_utils # Error? See https://crbug.com/584783.\n\n\nif os.path.exists(sys.argv[1]):\n  chromium_utils.RemoveDirectory(sys.argv[1])\n",
       "[SLAVE_BUILD]/src/out_ios_framework"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "rmtree out_ios_framework",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@python.inline@@@@",
@@ -159,7 +153,6 @@
       "\nimport os, sys\nfrom common import chromium_utils # Error? See https://crbug.com/584783.\n\n\nif os.path.exists(sys.argv[1]):\n  chromium_utils.RemoveDirectory(sys.argv[1])\n",
       "[SLAVE_BUILD]/src/out_ios_ia32"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "rmtree out_ios_ia32",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@python.inline@@@@",
@@ -179,7 +172,6 @@
       "\nimport os, sys\nfrom common import chromium_utils # Error? See https://crbug.com/584783.\n\n\nif os.path.exists(sys.argv[1]):\n  chromium_utils.RemoveDirectory(sys.argv[1])\n",
       "[SLAVE_BUILD]/src/out_ios_libs"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "rmtree out_ios_libs",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@python.inline@@@@",
@@ -199,7 +191,6 @@
       "\nimport os, sys\nfrom common import chromium_utils # Error? See https://crbug.com/584783.\n\n\nif os.path.exists(sys.argv[1]):\n  chromium_utils.RemoveDirectory(sys.argv[1])\n",
       "[SLAVE_BUILD]/src/out_ios_x86_64"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "rmtree out_ios_x86_64",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@python.inline@@@@",