Add deprecation message for -webkit-background-composite

third_party/WebKit/Source/core/frame/Deprecation.cpp

Index: third_party/WebKit/Source/core/frame/Deprecation.cpp
diff --git a/third_party/WebKit/Source/core/fetch/FetchInitiatorInfo.h b/third_party/WebKit/Source/core/frame/Deprecation.cpp
similarity index 51%
copy from third_party/WebKit/Source/core/fetch/FetchInitiatorInfo.h
copy to third_party/WebKit/Source/core/frame/Deprecation.cpp
index a9490a48debeacfcc707d7db9ec86653070981b3..484b6131008657172ad863fed43ce3014b369df0 100644
--- a/third_party/WebKit/Source/core/fetch/FetchInitiatorInfo.h
+++ b/third_party/WebKit/Source/core/frame/Deprecation.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013 Google, Inc. All rights reserved.
+ * Copyright (C) 2016 Google, Inc. All rights reserved.

[Timothy Loh, 2016/01/25 00:40:00]

short license?

[nainar, 2016/01/25 03:48:24]

Done.

  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -23,55 +23,48 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef FetchInitiatorInfo_h
-#define FetchInitiatorInfo_h
+#include "core/frame/Deprecation.h"
 
-#include "wtf/Allocator.h"
-#include "wtf/text/AtomicString.h"
-#include "wtf/text/TextPosition.h"
+#include "core/frame/FrameConsole.h"
+#include "core/frame/FrameHost.h"
+#include "core/frame/LocalFrame.h"
+#include "core/frame/UseCounter.h"
+#include "core/inspector/ConsoleMessage.h"
 
 namespace blink {
 
-struct FetchInitiatorInfo {
-    DISALLOW_NEW();
-    FetchInitiatorInfo()
-        : name()
-        , position(TextPosition::belowRangePosition())
-        , startTime(0.0)
-    {
-    }
+Deprecation::Deprecation()
+{
+    m_CSSPropertyDeprecationBits.ensureSize(lastUnresolvedCSSProperty + 1);
+    m_CSSPropertyDeprecationBits.clearAll();
+}
 
-    // When adding members, CrossThreadFetchInitiatorInfoData should be
-    // updated.
-    AtomicString name;
-    TextPosition position;
-    double startTime;
-};
+Deprecation::~Deprecation()
+{
+    m_CSSPropertyDeprecationBits.clearAll();
+}
 
-// Encode AtomicString as String to cross threads.
-struct CrossThreadFetchInitiatorInfoData {
-    DISALLOW_NEW();
-    explicit CrossThreadFetchInitiatorInfoData(const FetchInitiatorInfo& info)
-        : name(info.name.string().isolatedCopy())
-        , position(info.position)
-        , startTime(info.startTime)
-    {
-    }
+void Deprecation::showConsoleWarning(const LocalFrame* frame, CSSPropertyID propertyID)
+{
+    FrameHost* host = frame ? frame->host() : nullptr;
+    if (!frame && frame->host() && !host->deprecation().isSuppressed(propertyID))

[Timothy Loh, 2016/01/25 00:40:00]

this condition makes no sense :/

[alancutter (OOO until 2018), 2016/01/25 03:13:36]

I think you want:

if (!host || host->deprecation().isSuppressed(propertyID))
    return;

[nainar, 2016/01/25 03:48:24]

Fixed.

+        return;
 
-    operator FetchInitiatorInfo() const
-    {
-        FetchInitiatorInfo info;
-        info.name = AtomicString(name);
-        info.position = position;
-        info.startTime = startTime;
-        return info;
+    String message = deprecationMessage(propertyID);
+    if (!message.isEmpty()) {
+        host->deprecation().suppress(propertyID);
+        frame->console().addMessage(ConsoleMessage::create(DeprecationMessageSource, WarningMessageLevel, message));
     }
+}
 
-    String name;
-    TextPosition position;
-    double startTime;
-};
+String Deprecation::deprecationMessage(CSSPropertyID cssPropertyID)
+{
+    switch (cssPropertyID) {
+    case CSSPropertyWebkitBackgroundComposite:
+        return UseCounter::willBeRemoved("'-webkit-background-composite'", 51, "6607299456008192");
+    default:
+        return emptyString();
+    }
+}
 
 } // namespace blink
-
-#endif