Add mock WebBlobRegistry to TestWebKitPlatformSupport.

content/test/test_webkit_platform_support.cc

Index: content/test/test_webkit_platform_support.cc
diff --git a/content/test/test_webkit_platform_support.cc b/content/test/test_webkit_platform_support.cc
index 7d21a429693123ce63504c087f52906449847c99..c0e3673a6d3e26b11b58e74c6620e731bef23373 100644
--- a/content/test/test_webkit_platform_support.cc
+++ b/content/test/test_webkit_platform_support.cc
@@ -113,8 +113,8 @@ TestWebKitPlatformSupport::~TestWebKitPlatformSupport() {
   stats_table_.reset();
 }
 
-blink::WebMimeRegistry* TestWebKitPlatformSupport::mimeRegistry() {
-  return &mime_registry_;
+blink::WebBlobRegistry* TestWebKitPlatformSupport::blobRegistry() {
+  return &blob_registry_;
 }
 
 blink::WebClipboard* TestWebKitPlatformSupport::clipboard() {
@@ -133,6 +133,10 @@ blink::WebIDBFactory* TestWebKitPlatformSupport::idbFactory() {
   return NULL;
 }
 
+blink::WebMimeRegistry* TestWebKitPlatformSupport::mimeRegistry() {
+  return &mime_registry_;
+}
+
 blink::WebURLLoader* TestWebKitPlatformSupport::createURLLoader() {
   return url_loader_factory_->CreateURLLoader(
       BlinkPlatformImpl::createURLLoader());