Move WebMIMERegistry impl from //content to blink:platform/network/mime

third_party/WebKit/Source/platform/BUILD.gn

Index: third_party/WebKit/Source/platform/BUILD.gn
diff --git a/third_party/WebKit/Source/platform/BUILD.gn b/third_party/WebKit/Source/platform/BUILD.gn
index 083438f2e8a649b79f50c5318b3a6caa7736bfb5..2f601680e5059a4502ab6d54a6d3fb92f64fab6c 100644
--- a/third_party/WebKit/Source/platform/BUILD.gn
+++ b/third_party/WebKit/Source/platform/BUILD.gn
@@ -1076,6 +1076,8 @@ component("platform") {
     "mhtml/MHTMLArchive.h",
     "mhtml/MHTMLParser.cpp",
     "mhtml/MHTMLParser.h",
+    "mime/WebMimeRegistryImpl.cpp",
+    "mime/WebMimeRegistryImpl.h",
     "mojo/CommonCustomTypesStructTraits.cpp",
     "mojo/GeometryStructTraits.cpp",
     "mojo/MojoHelper.h",
@@ -1391,6 +1393,7 @@ component("platform") {
     "//gpu/command_buffer/client:gles2_c_lib",
     "//gpu/command_buffer/client:gles2_interface",
     "//gpu/command_buffer/common:common",
+    "//media",
     "//net",
     "//skia",
     "//third_party:jpeg",
@@ -1411,6 +1414,7 @@ component("platform") {
     "//mojo/public/cpp/bindings",
     "//mojo/public/cpp/bindings:wtf_support",
     "//third_party/WebKit/Source/platform/heap",
+    "//third_party/WebKit/public:mojo_bindings_blink",
     "//third_party/WebKit/public:offscreen_canvas_mojo_bindings_blink",
     "//third_party/ced",
     "//third_party/harfbuzz-ng",