Enable precompiled headers for Blink on Windows

third_party/WebKit/Source/core/core.gyp

Index: third_party/WebKit/Source/core/core.gyp
diff --git a/third_party/WebKit/Source/core/core.gyp b/third_party/WebKit/Source/core/core.gyp
index 1846e60300c094caae5f0f13fe38143d02a1de5a..fffe5d30989cdf5c57eb2dff7eb2d6857589ffc5 100644
--- a/third_party/WebKit/Source/core/core.gyp
+++ b/third_party/WebKit/Source/core/core.gyp
@@ -30,7 +30,7 @@
 
 {
   'includes': [
-    '../build/win/precompile.gypi',
+    'win/precompile-core.gypi',
     '../build/features.gypi',
     '../build/scripts/scripts.gypi',
     '../bindings/core/core.gypi',  # core can depend on bindings/core, but not on bindings
@@ -334,7 +334,7 @@
         }],
         ['OS=="win" and chromium_win_pch==1', {
           'sources/': [
-            ['include', '<(DEPTH)/third_party/WebKit/Source/build/win/Precompile.cpp'],
+            ['include', '<(DEPTH)/third_party/WebKit/Source/core/win/Precompile-core.cpp'],
           ],
         }],
         ['OS!="mac"', {
@@ -405,7 +405,7 @@
         }],
         ['OS=="win" and chromium_win_pch==1', {
           'sources/': [
-            ['include', '<(DEPTH)/third_party/WebKit/Source/build/win/Precompile.cpp'],
+            ['include', '<(DEPTH)/third_party/WebKit/Source/core/win/Precompile-core.cpp'],
           ],
         }],
       ],
@@ -600,7 +600,7 @@
             }],
             ['OS=="win" and chromium_win_pch==1', {
               'sources/': [
-                ['include', '<(DEPTH)/third_party/WebKit/Source/build/win/Precompile.cpp'],
+                ['include', '<(DEPTH)/third_party/WebKit/Source/core/win/Precompile-core.cpp'],
               ],
             }],
             ['OS=="mac"', {