Roll gRPC to e6732643210e014114c129650ab8fdc2d17d9407

This version fixes an integer overflow bug in 32bit architecture, which
causes out-of-bound memory read.

Bug: 934128
Change-Id: I1a63f8949e0e67aa4998609ffe07846a36105051
Reviewed-on: https://chromium-review.googlesource.com/c/1490471Reviewed-by: Joe Downing <joedow@chromium.org>
Commit-Queue: Yuwei Huang <yuweih@chromium.org>
Cr-Commit-Position: refs/heads/master@{#635783}

DEPS

@@ -802,7 +802,7 @@ deps = {
   },
 
   'src/third_party/grpc/src': {
-      'url': Var('chromium_git') + '/external/github.com/grpc/grpc.git' + '@' + 'e60c4fc034815ac2cff62da047e7144172237036',
+      'url': Var('chromium_git') + '/external/github.com/grpc/grpc.git' + '@' + 'e6732643210e014114c129650ab8fdc2d17d9407',
   },
 
   'src/third_party/freetype/src':

third_party/grpc/BUILD.gn

@@ -154,7 +154,6 @@ static_library("grpc_core") {
     "src/src/core/ext/filters/client_channel/parse_address.cc",
     "src/src/core/ext/filters/client_channel/proxy_mapper.cc",
     "src/src/core/ext/filters/client_channel/proxy_mapper_registry.cc",
-    "src/src/core/ext/filters/client_channel/request_routing.cc",
     "src/src/core/ext/filters/client_channel/resolver.cc",
     "src/src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc",
     "src/src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_ev_driver.cc",
@@ -169,6 +168,7 @@ static_library("grpc_core") {
     "src/src/core/ext/filters/client_channel/resolver/sockaddr/sockaddr_resolver.cc",
     "src/src/core/ext/filters/client_channel/resolver_registry.cc",
     "src/src/core/ext/filters/client_channel/resolver_result_parsing.cc",
+    "src/src/core/ext/filters/client_channel/resolving_lb_policy.cc",
     "src/src/core/ext/filters/client_channel/retry_throttle.cc",
     "src/src/core/ext/filters/client_channel/server_address.cc",
     "src/src/core/ext/filters/client_channel/subchannel.cc",

third_party/grpc/METADATA

@@ -13,7 +13,7 @@ third_party {
     type: GIT
     value: "https://github.com/grpc/grpc"
   }
-  version: "e60c4fc034815ac2cff62da047e7144172237036"
-  last_upgrade_date { year: 2019 month: 2 day: 25 }
+  version: "e6732643210e014114c129650ab8fdc2d17d9407"
+  last_upgrade_date { year: 2019 month: 2 day: 26 }
   license_type: NOTICE
 }

third_party/grpc/README.chromium

@@ -2,7 +2,7 @@ Name: gRPC
 URL: https://github.com/grpc/grpc
 Version: 0
 Date: Feb 3, 2019
-Revision: e60c4fc034815ac2cff62da047e7144172237036
+Revision: e6732643210e014114c129650ab8fdc2d17d9407
 License: Apache 2.0
 License File: NOT_SHIPPED
 Security Critical: yes