Merge 90308

Source/WebKit/chromium/src/PlatformBridge.cpp

Index: Source/WebKit/chromium/src/PlatformBridge.cpp
===================================================================
--- Source/WebKit/chromium/src/PlatformBridge.cpp	(revision 90866)
+++ Source/WebKit/chromium/src/PlatformBridge.cpp	(working copy)
@@ -580,6 +580,11 @@
     return webKitClient()->mimeRegistry()->mimeTypeForExtension(extension);
 }
 
+String PlatformBridge::wellKnownMimeTypeForExtension(const String& extension)
+{
+    return webKitClient()->mimeRegistry()->wellKnownMimeTypeForExtension(extension);
+}
+
 String PlatformBridge::mimeTypeFromFile(const String& path)
 {
     return webKitClient()->mimeRegistry()->mimeTypeFromFile(path);