build/secondary/third_party/grpc/template/fuchsia.patch

diff --git b/build/secondary/third_party/grpc/template/BUILD.fuchsia.gn.template a/build/secondary/third_party/grpc/template/BUILD.fuchsia.gn.template
index 65da32a7d60..7131273314a 100644
--- b/build/secondary/third_party/grpc/template/BUILD.fuchsia.gn.template
+++ a/build/secondary/third_party/grpc/template/BUILD.fuchsia.gn.template
@@ -3,11 +3,15 @@
   <%doc>
   Header piece
   </%doc>\
-  # GRPC Chromium GN build file
-
-  # This file has been automatically generated from a template file.
-  # Please look at the templates directory instead.
-  # See //third_party/grpc/README.chromium for more information.
+  # Copyright 2021 The Fuchsia Authors. All rights reserved.
+  # Use of this source code is governed by a BSD-style license that can be
+  # found in the LICENSE file.
+  #
+  # GRPC Fuchsia GN build file
+  #
+  # DO NOT EDIT: This file has been automatically generated from a template.
+  #
+  # See README.md for more information.
 
   declare_args() {
     # Compiles with ares.
@@ -22,6 +26,11 @@
     grpc_use_static_linking = is_android || is_win || is_chromeos || is_mac
   }
 
+  if (defined(is_fuchsia_tree) && is_fuchsia_tree) {
+    grpc_use_static_linking = true
+    is_fuchsia = true
+  }
+
   if (is_android) {
     import("//build/config/android/config.gni")
     import("//build/config/android/rules.gni")
@@ -36,6 +45,7 @@
       "./third_party/cares",
       "//third_party/cares",
       "./third_party/upb",
+      "./third_party/xxhash",
       "//third_party/abseil-cpp",
     ]
 
@@ -53,13 +63,6 @@
       defines += [ "GRPC_NO_BINDER", ]
     }
 
-    cflags = [
-      "-Wno-implicit-fallthrough",
-      "-Wno-shadow",
-      "-Wno-unreachable-code-return",
-      "-Wno-unreachable-code-break",
-    ]
-
     if (is_android) {
       libs = [ "log" ]  # For __android_log_write
     }
@@ -91,10 +94,20 @@
     cflags = [
       "-Wno-c++98-compat-extra-semi",
       "-Wno-extra-semi",
+      "-Wno-float-conversion",
+      "-Wno-implicit-fallthrough",
+      "-Wno-implicit-float-conversion",
+      "-Wno-implicit-int-conversion",
+      "-Wno-implicit-int-float-conversion",
+      "-Wno-shadow",
+      "-Wno-shorten-64-to-32",
       "-Wno-sign-compare",
+      "-Wno-strict-prototypes",
       "-Wno-sometimes-uninitialized",
       "-Wno-string-concatenation",
       "-Wno-unreachable-code",
+      "-Wno-unreachable-code-break",
+      "-Wno-unreachable-code-return",
       "-Wno-unused-variable",
     ]
   }
@@ -205,10 +218,6 @@
         out_sources.append('# gRPC memcpy wrapping logic isn\'t useful here.')
         out_sources.append('# See https://crbug.com/661171')
         out_sources.append('# "{}",'.format(s))
-      elif s == './src/core/plugin_registry/grpc_plugin_registry.cc':
-        out_sources.append('# Disabling some default plugins.')
-        out_sources.append('# "{}",'.format(s))
-        out_sources.append('"plugin_registry/grpc_plugin_registry.cc",')
       elif s == './src/core/lib/gprpp/status_helper.cc':
         out_sources.append('# "{}",'.format(s))
       elif s == './src/core/lib/matchers/matchers.cc':
@@ -288,16 +297,9 @@
 
 
   def strip_sources(sources):
-    exceptions = [
-      "./src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_balancer_addresses.h",
-      "./src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_balancer_addresses.cc",
-      "./src/core/ext/filters/client_channel/lb_policy/pick_first/pick_first.cc",
-    ]
-
     return [f for f in sources
             if "ruby_generator" not in f
-            and not (re.match("./src/core/ext/filters/client_channel/lb_policy/.*/.*",f)
-                and not f in exceptions)
+            and not re.match("./src/core/ext/filters/client_channel/lb_policy/xds/.*",f)
             and not re.match("./src/core/ext/filters/client_channel/resolver/xds/.*",f)
             and not re.match("./src/core/ext/xds/.*",f)
             ]
@@ -496,6 +498,7 @@
     % endif
   ${indent}  public_configs = [
   ${indent}    ":grpc_config",
+  ${indent}    "//build/config:suppress_iterator_warnings",
   ${indent}  ]
     % if extra_configs:
   ${indent}  configs += [
@@ -538,6 +541,7 @@
   ${indent}  ]
   ${indent}  configs += [
   ${indent}    "//third_party/protobuf:protobuf_config",
+  ${indent}    ":grpc_config_private",
   ${indent}  ]
   ${indent}  public_configs = [ ":grpc_config" ]
   ${indent}}