Fix some errors in GN files for content.

Review URL: https://codereview.chromium.org/828853004

Cr-Commit-Position: refs/heads/master@{#311429}

content/common/BUILD.gn

@@ -354,6 +354,20 @@ source_set("common") {
     ]
     include_dirs += [ "//third_party/khronos" ]
     deps += [ "//ui/gl" ]
+    libs += [
+      "d3d9.lib",
+      "dxva2.lib",
+      "strmiids.lib",
+      "mf.lib",
+      "mfplat.lib",
+      "mfuuid.lib",
+    ]
+    ldflags += [
+      "/DELAYLOAD:d3d9.dll",
+      "/DELAYLOAD:dxva2.dll",
+      "/DELAYLOAD:mf.dll",
+      "/DELAYLOAD:mfplat.dll",
+    ]
 
     # TODO(GYP): extract_xinput action.
   }

content/test/BUILD.gn

@@ -325,7 +325,7 @@ if (!is_mac) {
       #         '<(SHARED_INTERMEDIATE_DIR)/net/net_resources.rc',
       #       ],
       deps += [
-        "//contemt/app/strings",
+        "//content/app/strings",
         "//net:net_resources",
         "//third_party/WebKit/public:resources",
         "//third_party/iaccessible2",