bluetooth: web: Include the UUID in the error message.

third_party/WebKit/Source/modules/bluetooth/BluetoothError.h

Index: third_party/WebKit/Source/modules/bluetooth/BluetoothError.h
diff --git a/third_party/WebKit/Source/modules/bluetooth/BluetoothError.h b/third_party/WebKit/Source/modules/bluetooth/BluetoothError.h
index 311677d96a9fef7cf2ac76630f024f4a1c811cea..01f9d8478baf67e9a62d5a2633bf1715b2455032 100644
--- a/third_party/WebKit/Source/modules/bluetooth/BluetoothError.h
+++ b/third_party/WebKit/Source/modules/bluetooth/BluetoothError.h
@@ -6,6 +6,7 @@
 #define BluetoothError_h
 
 #include "platform/heap/Handle.h"
+#include "third_party/WebKit/public/platform/modules/bluetooth/web_bluetooth.mojom-blink.h"

[haraken, 2017/02/07 15:22:52]

Nit: "third_party/WebKit" is not needed.

 #include "wtf/Allocator.h"
 
 namespace blink {
@@ -26,6 +27,17 @@ class BluetoothError {
       ScriptPromiseResolver*,
       int32_t
           error /* Corresponds to WebBluetoothResult in web_bluetooth.mojom */);
+  static DOMException* take(
+      ScriptPromiseResolver*,
+      int32_t
+          error /* Corresponds to WebBluetoothResult in web_bluetooth.mojom */,
+      String detailedMessage /* Detailed error message - can be empty.*/);
+
+  // A convenience function that checks if the int32_t error code is
+  // the same as the given WebBluetoothResult error. Parts of the code
+  // uses int32_t for errors while other parts uses WebBluetoothResult.
+  static bool isSameError(int32_t error,
+                          mojom::blink::WebBluetoothResult webError);

[haraken, 2017/02/07 15:22:52]

Can we use a type mapping for this? (I don't know if we can map a mojom type to
a primitive type though.)

 };
 
 }  // namespace blink