add suspendable versions of the chrome extension functions

Author: rivasdiaz

src/main/kotlin/chrome/runtime/Coroutines.kt

@@ -0,0 +1,19 @@
+package chrome.runtime
+
+import kotlin.coroutines.experimental.Continuation
+
+@Suppress("NOTHING_TO_INLINE")
+inline fun <T> Continuation<T>.checkRuntimeAndResumeWith(result: T) =
+    if (lastError == null) {
+        resume(result)
+    } else {
+        resumeWithException(RuntimeException(lastError))
+    }
+
+@Suppress("NOTHING_TO_INLINE")
+inline fun Continuation<Unit>.checkRuntimeAndResume() =
+        if (lastError == null) {
+            resume(Unit)
+        } else {
+            resumeWithException(RuntimeException(lastError))
+        }

src/main/kotlin/chrome/storage/Coroutines.kt

@@ -0,0 +1,25 @@
+package chrome.storage
+
+import chrome.runtime.checkRuntimeAndResume
+import chrome.runtime.checkRuntimeAndResumeWith
+import kotlin.coroutines.experimental.suspendCoroutine
+
+suspend fun StorageArea.getSync(keys: dynamic) =
+        suspendCoroutine<dynamic> { continuation ->
+            get(keys) { continuation.checkRuntimeAndResumeWith(it) }
+        }
+
+suspend fun StorageArea.setSync(items: dynamic) =
+        suspendCoroutine<Unit> { continuation ->
+            set(items) { continuation.checkRuntimeAndResume() }
+        }
+
+suspend fun StorageArea.removeSync(keys: dynamic) =
+        suspendCoroutine<Unit> { continuation ->
+            remove(keys) { continuation.checkRuntimeAndResume() }
+        }
+
+suspend fun StorageArea.clearSync() =
+        suspendCoroutine<Unit> { continuation ->
+            clear { continuation.checkRuntimeAndResume() }
+        }

src/main/kotlin/chrome/tabs/Coroutines.kt

@@ -0,0 +1,19 @@
+package chrome.tabs
+
+import chrome.runtime.checkRuntimeAndResumeWith
+import kotlin.coroutines.experimental.suspendCoroutine
+
+suspend fun querySync(queryInfo: QueryInfo) =
+    suspendCoroutine<Array<Tab>> { continuation ->
+        query(queryInfo) { continuation.checkRuntimeAndResumeWith(it) }
+    }
+
+suspend fun executeScriptSync(tabId: Int?, details: ExecuteScriptDetails) =
+    suspendCoroutine<dynamic> { continuation ->
+        executeScript(tabId, details) { continuation.checkRuntimeAndResumeWith(it) }
+    }
+
+suspend fun executeScriptSync(details: ExecuteScriptDetails) =
+    suspendCoroutine<dynamic> { continuation ->
+        executeScript(details = details) { continuation.checkRuntimeAndResumeWith(it) }
+    }