Fix ResourceLoadTiming resolution lose issue (chromium part)

build/common.gypi

Index: build/common.gypi
diff --git a/build/common.gypi b/build/common.gypi
index 2a01a66b66fc96f056ed3a7c4c6036fbbde1636a..38b56d85e6867f4c550cd6eec7d80f9244d99988 100644
--- a/build/common.gypi
+++ b/build/common.gypi
@@ -45,6 +45,9 @@
           # Disable viewport meta tag by default.
           'enable_viewport%': 0,
 
+          # Enable DoubleResourceLoadTiming support.
+          'enable_double_resource_load_timing%': 1,
+
           # Enable HiDPI support.
           'enable_hidpi%': 0,
 
@@ -101,6 +104,7 @@
         'use_ozone%': '<(use_ozone)',
         'use_openssl%': '<(use_openssl)',
         'enable_viewport%': '<(enable_viewport)',
+        'enable_double_resource_load_timing%': '<(enable_double_resource_load_timing)',
         'enable_hidpi%': '<(enable_hidpi)',
         'enable_touch_ui%': '<(enable_touch_ui)',
         'buildtype%': '<(buildtype)',
@@ -182,6 +186,7 @@
       'use_ozone%': '<(use_ozone)',
       'use_openssl%': '<(use_openssl)',
       'enable_viewport%': '<(enable_viewport)',
+      'enable_double_resource_load_timing%': '<(enable_double_resource_load_timing)',
       'enable_hidpi%': '<(enable_hidpi)',
       'enable_touch_ui%': '<(enable_touch_ui)',
       'android_webview_build%': '<(android_webview_build)',
@@ -742,6 +747,7 @@
     'linux_fpic%': '<(linux_fpic)',
     'chromeos%': '<(chromeos)',
     'enable_viewport%': '<(enable_viewport)',
+    'enable_double_resource_load_timing%': '<(enable_double_resource_load_timing)',
     'enable_hidpi%': '<(enable_hidpi)',
     'enable_touch_ui%': '<(enable_touch_ui)',
     'use_xi2_mt%':'<(use_xi2_mt)',
@@ -1837,6 +1843,9 @@
           ],
         },
       }],
+      ['enable_double_resource_load_timing==1', {
+        'defines': ['ENABLE_DOUBLE_RESOURCE_LOAD_TIMING'],
+      }],
       ['enable_rlz==1', {
         'defines': ['ENABLE_RLZ'],
       }],