bluetooth: Make device/bluetooth a shared library component.

device/bluetooth/bluetooth.gyp

Index: device/bluetooth/bluetooth.gyp
diff --git a/device/bluetooth/bluetooth.gyp b/device/bluetooth/bluetooth.gyp
index d6b8c7e95a61108dd9d6a905c8a1ed8d7577a278..c9562243ecfa939de96470ad06268836cce10ea5 100644
--- a/device/bluetooth/bluetooth.gyp
+++ b/device/bluetooth/bluetooth.gyp
@@ -10,13 +10,16 @@
     {
       # GN version: //device/bluetooth
       'target_name': 'device_bluetooth',
-      'type': 'static_library',
+      'type': '<(component)',
       'dependencies': [
         '../../base/base.gyp:base',
         '../../net/net.gyp:net',
         '../../ui/base/ui_base.gyp:ui_base',
         'bluetooth_strings.gyp:device_bluetooth_strings',
       ],
+      'defines': [
+        'DEVICE_BLUETOOTH_IMPLEMENTATION',
+      ],
       'sources': [
         # Note: file list duplicated in GN build.
         'bluetooth_adapter.cc',
@@ -106,7 +109,9 @@
           ]
         }],
         ['OS=="win"', {
-          'all_dependent_settings': {
+          # The following two blocks are duplicated. They apply to static lib
+          # and shared lib configurations respectively.
+          'all_dependent_settings': {  # For static lib, apply to dependents.
             'msvs_settings': {
               'VCLinkerTool': {
                 'DelayLoadDLLs': [
@@ -119,6 +124,17 @@
               },
             },
           },
+          'msvs_settings': {  # For shared lib, apply to self.
+            'VCLinkerTool': {
+              'DelayLoadDLLs': [
+                'BluetoothApis.dll',
+                # Despite MSDN stating that Bthprops.dll contains the
+                # symbols declared by bthprops.lib, they actually reside here:
+                'Bthprops.cpl',
+                'setupapi.dll',
+              ],
+            },
+          },
         }],
         ['OS=="mac"', {
           'link_settings': {