Web MIDI: prepare to deprecate MIDIMessageEvent::receivedTime

third_party/WebKit/Source/modules/webmidi/MIDIMessageEvent.cpp

Index: third_party/WebKit/Source/modules/webmidi/MIDIMessageEvent.cpp
diff --git a/third_party/WebKit/Source/modules/webmidi/MIDIMessageEvent.cpp b/third_party/WebKit/Source/modules/webmidi/MIDIMessageEvent.cpp
index 7de4f5131b364bb3453e0b5a9beff5be125aad36..3b8cc2d9e526be7d94f55675fe521b05795cc36d 100644
--- a/third_party/WebKit/Source/modules/webmidi/MIDIMessageEvent.cpp
+++ b/third_party/WebKit/Source/modules/webmidi/MIDIMessageEvent.cpp
@@ -4,18 +4,37 @@
 
 #include "modules/webmidi/MIDIMessageEvent.h"
 
+#include "core/dom/ExecutionContext.h"
+#include "core/inspector/ConsoleMessage.h"
 #include "modules/webmidi/MIDIMessageEventInit.h"
 
 namespace blink {
 
-MIDIMessageEvent::MIDIMessageEvent(const AtomicString& type, const MIDIMessageEventInit& initializer)
+namespace {
+
+void showDeprecateMessage(ScriptState* state)
+{
+    state->getExecutionContext()->addConsoleMessage(ConsoleMessage::create(JSMessageSource, InfoMessageLevel, "receivedTime is deprecated and will be removed from MIDIMessageEvent soon. Use timeStamp instead."));

[kouhei (in TOK), 2016/06/29 05:25:32]

Please use Deprecation.h infra
https://cs.chromium.org/chromium/src/third_party/WebKit/Source/core/frame/Dep...

[Takashi Toyoshima, 2016/06/30 10:12:18]

Done.

+}
+
+} // namespace
+
+MIDIMessageEvent::MIDIMessageEvent(ScriptState* state, const AtomicString& type, const MIDIMessageEventInit& initializer)
     : Event(type, initializer)
     , m_receivedTime(0.0)
 {
-    if (initializer.hasReceivedTime())
+    if (initializer.hasReceivedTime()) {
+        showDeprecateMessage(state);
         m_receivedTime = initializer.receivedTime();
+    }
     if (initializer.hasData())
         m_data = initializer.data();
 }
 
+double MIDIMessageEvent::receivedTime(ScriptState* state)
+{
+    showDeprecateMessage(state);
+    return m_receivedTime;
+}
+
 } // namespace blink