Restore replacedWillBeRemoved to fix compile after postMessage changes

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/frame/Deprecation.cpp b/third_party/WebKit/Source/core/frame/Deprecation.cpp
index 9a9fe1e0cc2c6918c05a0ffec173f6c6c92e1e5c..1b7d981248b280dc8f8c4d418d9eedc1dfb02e4b 100644
--- a/third_party/WebKit/Source/core/frame/Deprecation.cpp
+++ b/third_party/WebKit/Source/core/frame/Deprecation.cpp
@@ -55,6 +55,11 @@ String dopplerWillBeRemoved(const char* feature, int milestone, const char* deta
     return String::format("%s is deprecated and will be removed in %s. It has no effect as the Web Audio doppler effects have already been removed internally. See https://www.chromestatus.com/features/%s for more details.", feature, milestoneString(milestone), details);
 }
 
+String replacedWillBeRemoved(const char* feature, const char* replacement, int milestone, const char* details)
+{
+    return String::format("%s is deprecated and will be removed in %s. Please use %s instead. See https://www.chromestatus.com/features/%s for more details.", feature, milestoneString(milestone), replacement, details);
+}
+
 } // anonymous namespace
 
 namespace blink {