diff --git a/brightray/brightray.gypi b/brightray/brightray.gypi
index bc07c9da1920..965ad51fd6ac 100644
--- a/brightray/brightray.gypi
+++ b/brightray/brightray.gypi
@@ -6,6 +6,26 @@
     'libchromiumcontent_resources_dir': '<(libchromiumcontent_library_dir)',
     'mac_deployment_target%': '10.8',
     'mac_sdkroot%': 'macosx',
+
+    'win_release_RuntimeLibrary%': '0', # /MT (nondebug static)
+    'win_debug_RuntimeLibrary%': '1', # /MTd (debug static)
+
+    # See http://msdn.microsoft.com/en-us/library/aa652360(VS.71).aspx
+    'win_release_Optimization%': '2', # 2 = /Os
+    'win_debug_Optimization%': '0',   # 0 = /Od
+
+    # See http://msdn.microsoft.com/en-us/library/2kxx5t2c(v=vs.80).aspx
+    # Tri-state: blank is default, 1 on, 0 off
+    'win_release_OmitFramePointers%': '0',
+    # Tri-state: blank is default, 1 on, 0 off
+    'win_debug_OmitFramePointers%': '',
+
+    # See http://msdn.microsoft.com/en-us/library/8wtf2dfz(VS.71).aspx
+    'win_debug_RuntimeChecks%': '3',    # 3 = all checks enabled, 0 = off
+
+    # See http://msdn.microsoft.com/en-us/library/47238hez(VS.71).aspx
+    'win_debug_InlineFunctionExpansion%': '',    # empty = default, 0 = off,
+    'win_release_InlineFunctionExpansion%': '2', # 1 = only __inline, 2 = max
   },
   'target_defaults': {
     'defines': [
@@ -43,6 +63,41 @@
         'inherit_from': [
           'Common_Base',
         ],
+        'msvs_settings': {
+          'VCCLCompilerTool': {
+            'Optimization': '<(win_debug_Optimization)',
+            'PreprocessorDefinitions': ['_DEBUG'],
+            'BasicRuntimeChecks': '<(win_debug_RuntimeChecks)',
+            # We use Release to match the version of chromiumcontent.dll we
+            # link against.
+            'RuntimeLibrary': '<(win_release_RuntimeLibrary)',
+            'conditions': [
+              # According to MSVS, InlineFunctionExpansion=0 means
+              # "default inlining", not "/Ob0".
+              # Thus, we have to handle InlineFunctionExpansion==0 separately.
+              ['win_debug_InlineFunctionExpansion==0', {
+                'AdditionalOptions': ['/Ob0'],
+              }],
+              ['win_debug_InlineFunctionExpansion!=""', {
+                'InlineFunctionExpansion':
+                  '<(win_debug_InlineFunctionExpansion)',
+              }],
+              # if win_debug_OmitFramePointers is blank, leave as default
+              ['win_debug_OmitFramePointers==1', {
+                'OmitFramePointers': 'true',
+              }],
+              ['win_debug_OmitFramePointers==0', {
+                'OmitFramePointers': 'false',
+                # The above is not sufficient (http://crbug.com/106711): it
+                # simply eliminates an explicit "/Oy", but both /O2 and /Ox
+                # perform FPO regardless, so we must explicitly disable.
+                # We still want the false setting above to avoid having
+                # "/Oy /Oy-" and warnings about overriding.
+                'AdditionalOptions': ['/Oy-'],
+              }],
+            ],
+          },
+        },
         'xcode_settings': {
           'COPY_PHASE_STRIP': 'NO',
           'GCC_OPTIMIZATION_LEVEL': '0',
@@ -52,6 +107,37 @@
         'inherit_from': [
           'Common_Base',
         ],
+        'msvs_settings': {
+          'VCCLCompilerTool': {
+            'Optimization': '<(win_release_Optimization)',
+            'RuntimeLibrary': '<(win_release_RuntimeLibrary)',
+            'conditions': [
+              # According to MSVS, InlineFunctionExpansion=0 means
+              # "default inlining", not "/Ob0".
+              # Thus, we have to handle InlineFunctionExpansion==0 separately.
+              ['win_release_InlineFunctionExpansion==0', {
+                'AdditionalOptions': ['/Ob0'],
+              }],
+              ['win_release_InlineFunctionExpansion!=""', {
+                'InlineFunctionExpansion':
+                  '<(win_release_InlineFunctionExpansion)',
+              }],
+              # if win_release_OmitFramePointers is blank, leave as default
+              ['win_release_OmitFramePointers==1', {
+                'OmitFramePointers': 'true',
+              }],
+              ['win_release_OmitFramePointers==0', {
+                'OmitFramePointers': 'false',
+                # The above is not sufficient (http://crbug.com/106711): it
+                # simply eliminates an explicit "/Oy", but both /O2 and /Ox
+                # perform FPO regardless, so we must explicitly disable.
+                # We still want the false setting above to avoid having
+                # "/Oy /Oy-" and warnings about overriding.
+                'AdditionalOptions': ['/Oy-'],
+              }],
+            ],
+          },
+        },
       },
     },
   },