[Cronet] Build static libcronet.a for iOS with complete dependencies.

components/cronet/ios/cronet_consumer/BUILD.gn

Index: components/cronet/ios/cronet_consumer/BUILD.gn
diff --git a/components/cronet/ios/cronet_consumer/BUILD.gn b/components/cronet/ios/cronet_consumer/BUILD.gn
index 966057c455dd82796d8516e7b42c88d115dac48c..47d3cd304100f97ea9fae67ae1253fae59ac2dcb 100644
--- a/components/cronet/ios/cronet_consumer/BUILD.gn
+++ b/components/cronet/ios/cronet_consumer/BUILD.gn
@@ -24,7 +24,34 @@ ios_app_bundle("cronet_consumer") {
     "main.mm",
   ]
 
+  include_dirs = [ "//components/grpc_support/include" ]
+
   bundle_deps = [ "//components/cronet/ios:cronet_framework+bundle" ]
 
   configs += [ "//build/config/compiler:enable_arc" ]
 }
+
+ios_app_bundle("cronet_consumer_static") {
+  info_plist = "cronet-consumer-Info.plist"
+
+  deps = [
+    "//base:base",
+    "//components/cronet/ios:cronet_hide",
+
+    # All shared libraries must have the sanitizer deps to properly link in
+    # asan mode (this target will be empty in other cases).
+    "//build/config/sanitizers:deps",
+  ]
+
+  sources = [
+    "cronet_consumer_app_delegate.h",
+    "cronet_consumer_app_delegate.mm",
+    "cronet_consumer_view_controller.h",
+    "cronet_consumer_view_controller.m",
+    "main.mm",
+  ]
+
+  include_dirs = [ "//components/grpc_support/include" ]
+
+  configs += [ "//build/config/compiler:enable_arc" ]
+}