[ios] Drop iOS10 support, move deployment target to iOS11.

This is a reland of 7b97163e, which was reverted
because it still referenced some device builders still compiling 32-bit arm.

Bug: 894099
Change-Id: Ib1dbcb172aa26c9b0fb2d8af7655971f6f549578
Reviewed-on: https://chromium-review.googlesource.com/c/1307587Reviewed-by: John Budorick <jbudorick@chromium.org>
Commit-Queue: Justin Cohen <justincohen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#603942}

build/config/ios/ios_sdk_overrides.gni

@@ -7,11 +7,11 @@
 
 declare_args() {
   # Version of iOS that we're targeting.
-  ios_deployment_target = "10.0"
+  ios_deployment_target = "11.0"
 }
 
 # Always assert that ios_deployment_target is used on non-iOS platforms to
 # prevent unused args warnings.
 if (!is_ios) {
-  assert(ios_deployment_target == "10.0" || true)
+  assert(ios_deployment_target == "11.0" || true)
 }

ios/build/bots/chromium.clang/ToTiOS.json

@@ -8,7 +8,6 @@
     "is_component_build=false",
     "is_debug=false",
     "llvm_force_head_revision=true",
-    "additional_target_cpus=[\"x86\"]",
     "target_cpu=\"x64\"",
     "target_os=\"ios\""
   ],

ios/build/bots/chromium.clang/ToTiOSDevice.json

@@ -7,7 +7,6 @@
     "is_debug=false",
     "llvm_force_head_revision=true",
     "target_os=\"ios\"",
-    "additional_target_cpus=[\"arm\"]",
     "target_cpu=\"arm64\""
   ],
   "additional_compile_targets": [

ios/build/bots/chromium.fyi/ios-device-goma-canary-clobber.json

@@ -5,12 +5,11 @@
   ],
   "xcode build version": "10a254a",
   "gn_args": [
-    "additional_target_cpus=[ \"arm64\" ]",
     "goma_dir=\"$(goma_dir)\"",
     "ios_enable_code_signing=false",
     "is_component_build=false",
     "is_debug=false",
-    "target_cpu=\"arm\"",
+    "target_cpu=\"arm64\"",
     "target_os=\"ios\"",
     "use_goma=true"
   ],

ios/build/bots/chromium.fyi/ios-simulator.json

@@ -4,7 +4,6 @@
   ],
   "xcode build version": "10a254a",
   "gn_args": [
-    "additional_target_cpus=[\"x86\"]",
     "goma_dir=\"$(goma_dir)\"",
     "is_component_build=false",
     "is_debug=true",

ios/build/bots/chromium.fyi/ios12-beta-simulator.json

@@ -6,7 +6,6 @@
   "xcode build version": "10a254a",
   "gn_args": [
     "goma_dir=\"$(goma_dir)\"",
-    "additional_target_cpus=[\"x86\"]",
     "is_component_build=false",
     "is_debug=true",
     "symbol_level=1",

ios/build/bots/chromium.fyi/ios12-sdk-device.json

@@ -6,12 +6,11 @@
   ],
   "xcode build version": "10o45e",
   "gn_args": [
-    "additional_target_cpus=[ \"arm64\" ]",
     "goma_dir=\"$(goma_dir)\"",
     "ios_enable_code_signing=false",
     "is_component_build=false",
     "is_debug=false",
-    "target_cpu=\"arm\"",
+    "target_cpu=\"arm64\"",
     "target_os=\"ios\"",
     "use_goma=true"
   ],

ios/build/bots/chromium.fyi/ios12-sdk-simulator.json

@@ -6,7 +6,6 @@
   ],
   "xcode build version": "10o45e",
   "gn_args": [
-    "additional_target_cpus=[\"x86\"]",
     "goma_dir=\"$(goma_dir)\"",
     "is_component_build=false",
     "is_debug=true",

ios/build/bots/chromium.fyi/ios12-sdk-xcode-clang.json

@@ -7,7 +7,6 @@
   "xcode build version": "10a254a",
   "use xcode build version": true,
   "gn_args": [
-    "additional_target_cpus=[\"x86\"]",
     "ios_enable_code_signing=false",
     "is_component_build=false",
     "is_debug=true",

ios/build/bots/chromium.mac/ios-device-xcode-clang.json

@@ -5,13 +5,12 @@
   ],
   "xcode build version": "10a254a",
   "gn_args": [
-    "additional_target_cpus=[ \"arm64\" ]",
     "goma_dir=\"$(goma_dir)\"",
     "ios_enable_code_signing=false",
     "is_component_build=false",
     "is_debug=false",
     "symbol_level=0",
-    "target_cpu=\"arm\"",
+    "target_cpu=\"arm64\"",
     "target_os=\"ios\"",
     "use_goma=true",
     "use_xcode_clang=true"

ios/build/bots/chromium.mac/ios-device.json

@@ -6,13 +6,12 @@
   ],
   "xcode build version": "10a254a",
   "gn_args": [
-    "additional_target_cpus=[ \"arm64\" ]",
     "goma_dir=\"$(goma_dir)\"",
     "ios_enable_code_signing=false",
     "is_component_build=false",
     "is_debug=false",
     "symbol_level=0",
-    "target_cpu=\"arm\"",
+    "target_cpu=\"arm64\"",
     "target_os=\"ios\"",
     "use_goma=true"
   ],

ios/build/bots/chromium.mac/ios-simulator-full-configs.json

@@ -5,7 +5,6 @@
   ],
   "xcode build version": "10a254a",
   "gn_args": [
-    "additional_target_cpus=[\"x86\"]",
     "goma_dir=\"$(goma_dir)\"",
     "is_component_build=false",
     "is_debug=true",

ios/build/bots/chromium.mac/ios-simulator-xcode-clang.json

@@ -7,7 +7,6 @@
   "xcode build version": "10a254a",
   "use xcode build version": true,
   "gn_args": [
-    "additional_target_cpus=[\"x86\"]",
     "goma_dir=\"$(goma_dir)\"",
     "ios_enable_code_signing=false",
     "is_component_build=false",

ios/build/bots/chromium.mac/ios-simulator.json

@@ -6,7 +6,6 @@
   ],
   "xcode build version": "10a254a",
   "gn_args": [
-    "additional_target_cpus=[\"x86\"]",
     "goma_dir=\"$(goma_dir)\"",
     "is_component_build=false",
     "is_debug=true",

ios/build/bots/chromium.mac/ios-uirefresh-simulator.json

@@ -5,7 +5,6 @@
   "xcode build version": "10a254a",
   "gn_args": [
     "goma_dir=\"$(goma_dir)\"",
-    "additional_target_cpus=[\"x86\"]",
     "is_component_build=false",
     "is_debug=true",
     "symbol_level=1",

ios/build/bots/chromium.mac/ios12-sdk-simulator.json

@@ -6,7 +6,6 @@
   ],
   "xcode build version": "10a254a",
   "gn_args": [
-    "additional_target_cpus=[\"x86\"]",
     "goma_dir=\"$(goma_dir)\"",
     "is_component_build=false",
     "is_debug=true",

ios/build/bots/chromium.webrtc.fyi/WebRTC Chromium FYI ios-device.json

@@ -11,6 +11,7 @@
     "is_component_build=false",
     "is_debug=false",
     "target_cpu=\"arm\"",
+    "ios_deployment_target=\"10.0\"",
     "target_os=\"ios\"",
     "use_goma=true"
   ],

ios/build/bots/chromium.webrtc.fyi/WebRTC Chromium FYI ios-simulator.json

@@ -11,6 +11,7 @@
     "is_debug=true",
     "symbol_level=1",
     "target_cpu=\"x64\"",
+    "ios_deployment_target=\"10.0\"",
     "target_os=\"ios\"",
     "use_goma=true"
   ],