Yet again, trying to land switch to win7 sdk.

BUG=None
TEST=None

Review URL: http://codereview.chromium.org/490026

git-svn-id: http://src.chromium.org/svn/trunk/src/build@34433 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

common.gypi

@@ -914,7 +914,7 @@
           '_HAS_TR1=0',
         ],
         'msvs_system_include_dirs': [
-          '<(DEPTH)/third_party/platformsdk_win2008_6_1/files/Include',
+          '<(DEPTH)/third_party/platformsdk_win7/files/Include',
           '$(VSInstallDir)/VC/atlmfc/include',
         ],
         'msvs_cygwin_dirs': ['<(DEPTH)/third_party/cygwin'],
@@ -938,7 +938,7 @@
           'VCLibrarianTool': {
             'AdditionalOptions': '/ignore:4221',
             'AdditionalLibraryDirectories':
-              ['<(DEPTH)/third_party/platformsdk_win2008_6_1/files/Lib'],
+              ['<(DEPTH)/third_party/platformsdk_win7/files/Lib'],
           },
           'VCLinkerTool': {
             'AdditionalDependencies': [
@@ -951,7 +951,7 @@
               'dbghelp.lib',
             ],
             'AdditionalLibraryDirectories':
-              ['<(DEPTH)/third_party/platformsdk_win2008_6_1/files/Lib'],
+              ['<(DEPTH)/third_party/platformsdk_win7/files/Lib'],
             'GenerateDebugInformation': 'true',
             'MapFileName': '$(OutDir)\\$(TargetName).map',
             'ImportLibrary': '$(OutDir)\\lib\\$(TargetName).lib',