Remove some code that tried to support MSVS2005

build/common.gypi

Index: build/common.gypi
diff --git a/build/common.gypi b/build/common.gypi
index 55c380727706e21c6fe41b14b1c537f7dc9a870e..e812f294a9e97c4e9c4d48e8517d7049015b79f6 100644
--- a/build/common.gypi
+++ b/build/common.gypi
@@ -1081,14 +1081,6 @@
             # .obj files.
             'incremental_chrome_dll%': 1,
           }],
-          # Whether to use multiple cores to compile with visual studio. This is
-          # optional because it sometimes causes corruption on VS 2005.
-          # It is on by default on VS 2008 and off on VS 2005.
-          ['MSVS_VERSION=="2005"', {
-            'msvs_multi_core_compile%': 0,
-          },{
-            'msvs_multi_core_compile%': 1,
-          }],
           # Don't do incremental linking for large modules on 32-bit.
           ['MSVS_OS_BITS==32', {
             'msvs_large_module_debug_link_mode%': '1',  # No
@@ -3199,6 +3191,7 @@
         ],
         'msvs_settings': {
           'VCCLCompilerTool': {
+            'AdditionalOptions': ['/MP'],
             'MinimalRebuild': 'false',
             'BufferSecurityCheck': 'true',
             'EnableFunctionLevelLinking': 'true',
@@ -3207,12 +3200,6 @@
             'WarnAsError': 'true',
             'DebugInformationFormat': '3',
             'conditions': [
-              ['msvs_multi_core_compile', {
-                'AdditionalOptions': ['/MP'],
-              }],
-              ['MSVS_VERSION=="2005e"', {
-                'AdditionalOptions': ['/w44068'], # Unknown pragma to 4 (ATL)
-              }],
               ['component=="shared_library"', {
                 'ExceptionHandling': '1',  # /EHsc
               }, {