diff --git a/atom/common/native_mate_converters/blink_converter.cc b/atom/common/native_mate_converters/blink_converter.cc
index 67c7e7e95fd8..a723df1ea940 100644
--- a/atom/common/native_mate_converters/blink_converter.cc
+++ b/atom/common/native_mate_converters/blink_converter.cc
@@ -9,6 +9,7 @@
 
 #include "atom/common/keyboad_util.h"
 #include "base/strings/string_util.h"
+#include "base/strings/utf_string_conversions.h"
 #include "content/public/browser/native_web_keyboard_event.h"
 #include "native_mate/dictionary.h"
 #include "third_party/WebKit/public/web/WebDeviceEmulationParams.h"
@@ -29,10 +30,10 @@ int VectorToBitArray(const std::vector<T>& vec) {
 namespace mate {
 
 template<>
-struct Converter<char> {
+struct Converter<base::char16> {
   static bool FromV8(v8::Isolate* isolate, v8::Handle<v8::Value> val,
-                     char* out) {
-    std::string code = base::StringToLowerASCII(V8ToString(val));
+                     base::char16* out) {
+    base::string16 code = base::UTF8ToUTF16(V8ToString(val));
     if (code.length() != 1)
       return false;
     *out = code[0];
@@ -77,6 +78,21 @@ struct Converter<blink::WebInputEvent::Type> {
   }
 };
 
+template<>
+struct Converter<blink::WebMouseEvent::Button> {
+  static bool FromV8(v8::Isolate* isolate, v8::Handle<v8::Value> val,
+                     blink::WebMouseEvent::Button* out) {
+    std::string button = base::StringToLowerASCII(V8ToString(val));
+    if (button == "left")
+      *out = blink::WebMouseEvent::Button::ButtonLeft;
+    else if (button == "middle")
+      *out = blink::WebMouseEvent::Button::ButtonMiddle;
+    else if (button == "right")
+      *out = blink::WebMouseEvent::Button::ButtonRight;
+    return true;
+  }
+};
+
 template<>
 struct Converter<blink::WebInputEvent::Modifiers> {
   static bool FromV8(v8::Isolate* isolate, v8::Handle<v8::Value> val,
@@ -142,16 +158,19 @@ bool Converter<blink::WebKeyboardEvent>::FromV8(
     return false;
   if (!ConvertFromV8(isolate, val, static_cast<blink::WebInputEvent*>(out)))
     return false;
-  char code;
+  base::char16 code;
   if (!dict.Get("keyCode", &code))
     return false;
   bool shifted = false;
   out->windowsKeyCode = atom::KeyboardCodeFromCharCode(code, &shifted);
-  if (out->windowsKeyCode == ui::VKEY_UNKNOWN)
-    return false;
   if (shifted)
     out->modifiers |= blink::WebInputEvent::ShiftKey;
   out->setKeyIdentifierFromWindowsKeyCode();
+  if (out->type == blink::WebInputEvent::Char
+  || out->type == blink::WebInputEvent::RawKeyDown) {
+    out->text[0] = code;
+    out->unmodifiedText[0] = code;
+  }
   return true;
 }
 
@@ -176,6 +195,7 @@ bool Converter<blink::WebMouseEvent>::FromV8(
     return false;
   if (!dict.Get("x", &out->x) || !dict.Get("y", &out->y))
     return false;
+  dict.Get("button", &out->button);
   dict.Get("globalX", &out->globalX);
   dict.Get("globalY", &out->globalY);
   dict.Get("movementX", &out->movementX);
diff --git a/docs/api/web-contents.md b/docs/api/web-contents.md
index c2dccc3a876c..b2e924e5d083 100644
--- a/docs/api/web-contents.md
+++ b/docs/api/web-contents.md
@@ -534,13 +534,13 @@ Sends an input `event` to the page.
 For keyboard events, the `event` object also have following properties:
 
 * `keyCode` String (**required**) - A single character that will be sent as
-  keyboard event. Can be any ASCII character on the keyboard, like `a`, `1`
-  and `=`.
+  keyboard event. Can be any UTF-8 character.
 
 For mouse events, the `event` object also have following properties:
 
 * `x` Integer (**required**)
 * `y` Integer (**required**)
+* `button` String - The button pressed, can be `left`, `middle`, `right`
 * `globalX` Integer
 * `globalY` Integer
 * `movementX` Integer