[VS Addin] Add visual studio 2012 support

visual_studio/NativeClientVSAddIn/InstallerResources/PPAPI_Patch/Microsoft.Cpp.[platform].targets.patch

Index: visual_studio/NativeClientVSAddIn/InstallerResources/PPAPI_Patch/Microsoft.Cpp.[platform].targets.patch
diff --git a/visual_studio/NativeClientVSAddIn/InstallerResources/PPAPI_Patch/Microsoft.Cpp.[platform].targets.patch b/visual_studio/NativeClientVSAddIn/InstallerResources/PPAPI_Patch/Microsoft.Cpp.[platform].targets.patch
deleted file mode 100644
index d41a8e9c4b79ff36c85f6ad19d9ab2f3f912cc9d..0000000000000000000000000000000000000000
--- a/visual_studio/NativeClientVSAddIn/InstallerResources/PPAPI_Patch/Microsoft.Cpp.[platform].targets.patch
+++ /dev/null
@@ -1,63 +0,0 @@
-<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <PatchRemove>
-    <Import Project="$(VCTargetsPath)\Platforms\Win32\ImportBefore\*.targets" Condition="Exists('$(VCTargetsPath)\Platforms\Win32\ImportBefore')" />
-  </PatchRemove>
-  <PatchAdd>
-    <Import Project="$(VCTargetsPath)\Platforms\PPAPI\ImportBefore\*.targets" Condition="Exists('$(VCTargetsPath)\Platforms\PPAPI\ImportBefore')" />
-  </PatchAdd>
-     
-  <PropertyGroup>
-  </PropertyGroup>
-    
-  <!-- *******************************************************************************************
-      Override Regular Property pages in order to disable other build types such as exe, makefile
-       ******************************************************************************************* -->
-  <PatchAdd>
-    <ItemGroup>
-      <PropertyPageSchema Include="$(VCTargetsPath)\Platforms\PPAPI\Props\ppapi_general.xml">
-        <Context>Project</Context>
-      </PropertyPageSchema>
-      <PropertyPageSchema Include="$(VCTargetsPath)\Platforms\PPAPI\Props\ppapi_general_ps.xml">
-        <Context>PropertySheet</Context>
-      </PropertyPageSchema>
-    </ItemGroup>
-  </PatchAdd>
-
-  <Target Name="ClCompile"
-          Condition="'@(ClCompile)' != ''"
-          DependsOnTargets="SelectClCompile">
-    <ItemGroup>
-      <ClCompile>
-        <PatchAdd>
-          <PreprocessorDefinitions>%(PreprocessorDefinitions)</PreprocessorDefinitions>
-        </PatchAdd>
-      </ClCompile>
-    </ItemGroup>
-  </Target>
-
-  <!-- *******************************************************************************************
-        PlatformPrepareForBuild target
-       ******************************************************************************************* -->
-  <Target Name="PlatformPrepareForBuild" DependsOnTargets="$(PlatformPrepareForBuildDependsOn)">
-    <PatchRemove>
-      <VCMessage Code="MSB8008" Type="Error" Arguments="$(PlatformToolset)" Condition="!(exists('$(VCTargetsPath)\Platforms\Win32\PlatformToolsets\$(PlatformToolset)\Microsoft.Cpp.Win32.$(PlatformToolset).targets'))"/>
-    </PatchRemove>
-    <PatchAdd>
-      <VCMessage Code="MSB8008" Type="Error" Arguments="$(PlatformToolset)" Condition="!(exists('$(VCTargetsPath)\Platforms\PPAPI\PlatformToolsets\$(PlatformToolset)\Microsoft.Cpp.PPAPI.$(PlatformToolset).targets'))"/>
-    </PatchAdd>
-  </Target>
-
-  <PatchRemove>
-    <Import Project="$(VCTargetsPath)\Platforms\Win32\PlatformToolsets\$(PlatformToolset)\Microsoft.Cpp.Win32.$(PlatformToolset).targets" Condition="(exists('$(VCTargetsPath)\Platforms\Win32\PlatformToolsets\$(PlatformToolset)\Microsoft.Cpp.Win32.$(PlatformToolset).targets'))" />
-  </PatchRemove>
-  <PatchAdd>
-    <Import Project="$(VCTargetsPath)\Platforms\PPAPI\PlatformToolsets\$(PlatformToolset)\Microsoft.Cpp.PPAPI.$(PlatformToolset).targets" Condition="(exists('$(VCTargetsPath)\Platforms\PPAPI\PlatformToolsets\$(PlatformToolset)\Microsoft.Cpp.PPAPI.$(PlatformToolset).targets'))" />
-  </PatchAdd>
-  <PatchRemove>
-    <Import Project="$(VCTargetsPath)\Platforms\Win32\ImportAfter\*.targets" Condition="Exists('$(VCTargetsPath)\Platforms\Win32\ImportAfter')" />
-  </PatchRemove>
-  <PatchAdd>
-    <Import Project="$(VCTargetsPath)\Platforms\PPAPI\ImportAfter\*.targets" Condition="Exists('$(VCTargetsPath)\Platforms\PPAPI\ImportAfter')" />
-  </PatchAdd>
-</Project>
-