Turned on performance-move-const-arg everywhere.

.clang-tidy

@@ -29,6 +29,7 @@ readability-identifier-naming,\
 clang-diagnostic-*,\
 google-objc-*,\
 google-explicit-constructor,\
+performance-move-const-arg,\
 performance-unnecessary-value-param"
 
 CheckOptions:

ci/lint.sh

@@ -32,9 +32,6 @@ SRC_DIR="$(cd "$SCRIPT_DIR/../.."; pwd -P)"
 FLUTTER_DIR="$(cd "$SCRIPT_DIR/.."; pwd -P)"
 DART_BIN="${SRC_DIR}/third_party/dart/tools/sdks/dart-sdk/bin"
 DART="${DART_BIN}/dart"
-# TODO(https://github.com/flutter/flutter/issues/113848): Migrate all platforms
-# to have this as an error.
-MAC_HOST_WARNINGS_AS_ERRORS="performance-move-const-arg"
 
 # FLUTTER_LINT_PRINT_FIX will make it so that fix is executed and the generated
 # diff is printed to stdout if clang-tidy fails. This is helpful for enabling
@@ -57,7 +54,6 @@ cd "$SCRIPT_DIR"
   --disable-dart-dev \
   "$SRC_DIR/flutter/tools/clang_tidy/bin/main.dart" \
   --src-dir="$SRC_DIR" \
-  --mac-host-warnings-as-errors="$MAC_HOST_WARNINGS_AS_ERRORS" \
   $fix_flag \
   "$@" && true # errors ignored
 clang_tidy_return=$?

impeller/renderer/backend/vulkan/pipeline_library_vk.cc

@@ -262,7 +262,7 @@ std::unique_ptr<PipelineCreateInfoVK> PipelineLibraryVK::CreatePipeline(
     info.setPName("main");
     info.setModule(
         ShaderFunctionVK::Cast(entrypoint.second.get())->GetModule());
-    shader_stages.push_back(std::move(info));
+    shader_stages.push_back(info);
   }
   pipeline_info.setStages(shader_stages);
 

shell/platform/darwin/ios/framework/Source/FlutterPlatformViews.mm

@@ -734,8 +734,7 @@ - (BOOL)flt_hasFirstResponderInViewHierarchySubtree {
     int64_t view_id,
     int64_t overlay_id) {
   FML_DCHECK(flutter_view_);
-  std::shared_ptr<FlutterPlatformViewLayer> layer =
-      layer_pool_->GetLayer(gr_context, std::move(ios_context));
+  std::shared_ptr<FlutterPlatformViewLayer> layer = layer_pool_->GetLayer(gr_context, ios_context);
 
   UIView* overlay_view_wrapper = layer->overlay_view_wrapper.get();
   auto screenScale = [UIScreen mainScreen].scale;