Rename WebCore namespace to blink in Platform

Source/platform/image-decoders/bmp/BMPImageDecoder.cpp

Index: Source/platform/image-decoders/bmp/BMPImageDecoder.cpp
diff --git a/Source/platform/image-decoders/bmp/BMPImageDecoder.cpp b/Source/platform/image-decoders/bmp/BMPImageDecoder.cpp
index aacdd798faa1f999bf6528ad8ef813c8702a37d5..4d0dcc47ce65f6145a106307f9d2e7350ad815b6 100644
--- a/Source/platform/image-decoders/bmp/BMPImageDecoder.cpp
+++ b/Source/platform/image-decoders/bmp/BMPImageDecoder.cpp
@@ -34,7 +34,7 @@
 #include "platform/PlatformInstrumentation.h"
 #include "wtf/PassOwnPtr.h"
 
-namespace WebCore {
+namespace blink {
 
 // Number of bits in .BMP used to store the file header (doesn't match
 // "sizeof(BMPImageDecoder::BitmapFileHeader)" since we omit some fields and
@@ -153,4 +153,4 @@ bool BMPImageDecoder::processFileHeader(size_t* imgDataOffset)
     return (fileType == BMAP) || setFailed();
 }
 
-} // namespace WebCore
+} // namespace blink