Finish replicating the *.vsprops structure.

net/net_perftests.scons

Index: net/net_perftests.scons
===================================================================
--- net/net_perftests.scons	(revision 5681)
+++ net/net_perftests.scons	(working copy)
@@ -10,51 +10,25 @@
 
 env = env.Clone()
 
-env.SConscript([
-    # On Linux, dependencies must follow dependents, so...
-    # 1) net must come before base and modp_b64.
-    # 2) bzip2 must come before base.
-    '$NET_DIR/using_net.scons',
-
+env.ApplySConscript([
     '$BASE_DIR/using_base.scons',
     '$CHROME_SRC_DIR/build/using_googleurl.scons',
     '$GTEST_DIR/../using_gtest.scons',
     '$ICU38_DIR/using_icu38.scons',
     '$MODP_B64_DIR/using_modp_b64.scons',
-], {'env':env})
+    '$NET_DIR/using_net.scons',
+])
 
 if env['PLATFORM'] in ('posix', 'darwin'):
   env.SConscript([
       '$LIBEVENT_DIR/using_libevent.scons',
   ], {'env':env})
 
-env.Prepend(
-    CPPPATH = [
-        '$CHROME_SRC_DIR',
-    ],
-)
-
 if env['PLATFORM'] == 'win32':
   env.Prepend(
       CCFLAGS = [
-          '/TP',
           '/WX',
       ],
-      CPPDEFINES = [
-          '_WIN32_WINNT=0x0600',
-          'WINVER=0x0600',
-          '_HAS_EXCEPTIONS=0',
-      ],
-      LINKFLAGS = [
-          '/DELAYLOAD:"dwmapi.dll"',
-          '/DELAYLOAD:"uxtheme.dll"',
-          '/MACHINE:X86',
-          '/FIXED:No',
-          '/safeseh',
-          '/dynamicbase',
-          '/ignore:4199',
-          '/nxcompat',
-      ],
   )
 elif env['PLATFORM'] == 'posix':
   env.Append(