Change chain_indent to indent_style

tests/source/chains-indent-tabbed.rs

@@ -1,4 +1,4 @@
-// rustfmt-chain_indent: Block
+// rustfmt-indent_style: Block
 
 fn test() {
     let x = my_long_function().my_even_longer_function().my_nested_function().some_random_name().another_function().do_it();

tests/source/chains-indent-visual.rs

@@ -1,4 +1,4 @@
-// rustfmt-chain_indent: Visual
+// rustfmt-indent_style: Visual
 
 fn test() {
     let x = my_long_function().my_even_longer_function().my_nested_function().some_random_name().another_function().do_it();

tests/source/chains-visual.rs

@@ -1,6 +1,6 @@
 // rustfmt-normalize_comments: true
 // rustfmt-single_line_if_else_max_width: 0
-// rustfmt-chain_indent: Visual
+// rustfmt-indent_style: Visual
 // Test chain formatting.
 
 fn main() {

tests/source/configs-chain_indent-block.rs

@@ -1,4 +1,4 @@
-// rustfmt-chain_indent: Block
+// rustfmt-indent_style: Block
 // Chain indent
 
 fn main() {

tests/source/configs-chain_indent-visual.rs

@@ -1,4 +1,4 @@
-// rustfmt-chain_indent: Visual
+// rustfmt-indent_style: Visual
 // Chain indent
 
 fn main() {

tests/target/chains-indent-tabbed.rs

@@ -1,4 +1,4 @@
-// rustfmt-chain_indent: Block
+// rustfmt-indent_style: Block
 
 fn test() {
     let x = my_long_function()

tests/target/chains-indent-visual.rs

@@ -1,4 +1,4 @@
-// rustfmt-chain_indent: Visual
+// rustfmt-indent_style: Visual
 
 fn test() {
     let x = my_long_function().my_even_longer_function()

tests/target/chains-visual.rs

@@ -1,6 +1,6 @@
 // rustfmt-normalize_comments: true
 // rustfmt-single_line_if_else_max_width: 0
-// rustfmt-chain_indent: Visual
+// rustfmt-indent_style: Visual
 // Test chain formatting.
 
 fn main() {

tests/target/configs-chain_indent-block.rs

@@ -1,4 +1,4 @@
-// rustfmt-chain_indent: Block
+// rustfmt-indent_style: Block
 // Chain indent
 
 fn main() {

tests/target/configs-chain_indent-visual.rs

@@ -1,4 +1,4 @@
-// rustfmt-chain_indent: Visual
+// rustfmt-indent_style: Visual
 // Chain indent
 
 fn main() {