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 cd8c808a0846da1443a8ee539950ca4399ee9c91..9f0a68e3712ac2a8cee64cfeee7dcb537bb244a4 100644
--- a/third_party/WebKit/Source/platform/BUILD.gn
+++ b/third_party/WebKit/Source/platform/BUILD.gn
@@ -270,7 +270,6 @@ component("platform") {
     "LinkHash.h",
     "MIMETypeFromURL.cpp",
     "MIMETypeFromURL.h",
-    "MIMETypeRegistry.cpp",
     "MIMETypeRegistry.h",
     "MemoryCoordinator.cpp",
     "MemoryCoordinator.h",
@@ -1116,6 +1115,7 @@ component("platform") {
     "network/WebSocketHandshakeRequest.h",
     "network/WebSocketHandshakeResponse.cpp",
     "network/WebSocketHandshakeResponse.h",
+    "network/mime/MIMETypeRegistry.cpp",
     "peerconnection/RTCAnswerOptionsPlatform.h",
     "peerconnection/RTCOfferOptionsPlatform.h",
     "peerconnection/RTCSessionDescriptionRequest.h",
@@ -1393,6 +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",
@@ -1413,6 +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",
@@ -1531,6 +1533,7 @@ static_library("test_support") {
   testonly = true
 
   sources = [
+    "network/mime/MockMimeRegistry.h",
     "scheduler/base/task_queue_manager_delegate_for_test.cc",
     "scheduler/base/test_time_source.cc",
     "scheduler/child/scheduler_tqm_delegate_for_test.cc",
@@ -1710,6 +1713,7 @@ test("blink_platform_unittests") {
     "network/NetworkUtilsTest.cpp",
     "network/ResourceRequestTest.cpp",
     "network/ResourceResponseTest.cpp",
+    "network/mime/MIMETypeRegistryTest.cpp",
     "scheduler/CancellableTaskFactoryTest.cpp",
     "scheduler/base/intrusive_heap_unittest.cc",
     "scheduler/base/queueing_time_estimator_unittest.cc",