Make content_shell.exe a console app in ASan/Win builds

This will help ASan reports appear on stderr when content_shell is run from CMD.exe console or on ClusterFuzz

See also http://crrev.com/275067 where the same was applied to chrome.exe

BUG=345874

Review URL: https://codereview.chromium.org/394853002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@283551 0039d316-1c4b-4281-b951-d872f2087c98

content/content_shell.gypi

@@ -519,9 +519,6 @@
         'INFOPLIST_FILE': 'shell/app/app-Info.plist',
       },
       'msvs_settings': {
-        'VCLinkerTool': {
-          'SubSystem': '2',  # Set /SUBSYSTEM:WINDOWS
-        },
         'VCManifestTool': {
           'AdditionalManifestFiles': [
             'shell/app/shell.exe.manifest',
@@ -553,6 +550,13 @@
             '../sandbox/sandbox.gyp:sandbox',
           ],
         }],  # OS=="win"
+        ['OS=="win" and asan==0', {
+          'msvs_settings': {
+            'VCLinkerTool': {
+              'SubSystem': '2',  # Set /SUBSYSTEM:WINDOWS
+            },
+          },
+        }],  # OS=="win" and asan==0
         ['OS=="mac"', {
           'product_name': '<(content_shell_product_name)',
           'dependencies!': [

content/shell/app/shell_main.cc

@@ -16,7 +16,14 @@
 
 #if defined(OS_WIN)
 
+#if !defined(ADDRESS_SANITIZER)
 int APIENTRY wWinMain(HINSTANCE instance, HINSTANCE, wchar_t*, int) {
+#else
+// The AddressSanitizer build should be a console program as it prints out stuff
+// on stderr.
+int main() {
+  HINSTANCE instance = GetModuleHandle(NULL);
+#endif
   sandbox::SandboxInterfaceInfo sandbox_info = {0};
   content::InitializeSandboxInfo(&sandbox_info);
   content::ShellMainDelegate delegate;