Deprecate CharSequence.size in JS

#KT-18267 Fixed

js/js.libraries/src/core/string.kt

@@ -35,8 +35,9 @@ public inline fun String.match(regex: String): Array<String>? = asDynamic().matc
 //native public fun String.trim(): String
 //TODO: String.replace to implement effective trimLeading and trimTrailing
 
+@Deprecated("Use length property instead.", ReplaceWith("length"), level = DeprecationLevel.WARNING) // TODO: ERROR in 1.2
 @kotlin.internal.InlineOnly
-public inline val CharSequence.size: Int get() = asDynamic().length
+public inline val CharSequence.size: Int get() = length
 
 @kotlin.internal.InlineOnly
 internal inline fun String.nativeReplace(pattern: RegExp, replacement: String): String = asDynamic().replace(pattern, replacement)

js/js.translator/testData/box/expression/misc/KT-5058.kt

@@ -7,7 +7,7 @@ fun test():Any {
             if (true) {
                 when {
                     false -> "1"
-                    ((a as? String)?.size ?: 0 > 0) -> a
+                    ((a as? String)?.length ?: 0 > 0) -> a
                     else -> "2"
                 }
             }

js/js.translator/testData/box/expression/stringClass/extensionMethods.kt

@@ -22,7 +22,6 @@ fun assertEquals(expected: Any, actual: Any, s: CharSequence, whatTested: String
 }
 
 fun testString(s: String, expectedSize: Int, indexOfB: Int) {
-    assertEquals(expectedSize, s.size, s, "size")
     assertEquals(expectedSize, s.length, s, "length")
     assertEquals(expectedSize == 0, s.isEmpty(), s, "isEmpty()")
     assertEquals(expectedSize != 0, s.startsWith(startsWithParam), s, "startsWith(\"$startsWithParam\")")
@@ -35,7 +34,6 @@ fun testString(s: String, expectedSize: Int, indexOfB: Int) {
 }
 
 fun testCharSequence(s: CharSequence, expectedSize: Int) {
-    assertEquals(expectedSize, s.size, s, "size")
     assertEquals(expectedSize, s.length, s, "length")
     assertEquals(expectedSize == 0, s.isEmpty(), s, "isEmpty()")
 }

js/js.translator/testData/box/inheritance/overrideAnyMethods.kt

@@ -7,7 +7,7 @@ inline fun String.charCodeAt(i: Int): Int = asDynamic().charCodeAt(i)
 fun String.myHashCode(): Int {
     var hash = 0
 
-    for (i in 0..size - 1) {
+    for (i in 0..length - 1) {
         hash = 31 * hash + charCodeAt(i)
     }