Allow createBuffer to support rates from 3-192 kHz.

LayoutTests/webaudio/dom-exceptions.html

Index: LayoutTests/webaudio/dom-exceptions.html
diff --git a/LayoutTests/webaudio/dom-exceptions.html b/LayoutTests/webaudio/dom-exceptions.html
index d18575f6123821fb7769a86a1f1832e1a0782b65..bd19d19b8f588c865d1464fcdd9273eecfdee271 100644
--- a/LayoutTests/webaudio/dom-exceptions.html
+++ b/LayoutTests/webaudio/dom-exceptions.html
@@ -34,6 +34,9 @@ function runTest() {
     // Invalid sample rate: NotSupportedError
     shouldThrow("context.createBuffer(1, 1, 1)");
     shouldThrow("context.createBuffer(1, 1, 1e6)");
+    // Check valid values from crbug.com/344375
+    shouldNotThrow("context.createBuffer(1, 1, 3000)");
+    shouldNotThrow("context.createBuffer(1, 1, 192000)");
     // Invalid number of frames: NotSupportedError
     shouldThrow("context.createBuffer(1, 0, context.sampleRate)");
     // Invalid ArrayBuffer (unspecified error)