Update to Chromium version 57.0.2987.8

CHROMIUM_BUILD_COMPATIBILITY.txt

@@ -7,5 +7,5 @@
 # https://bitbucket.org/chromiumembedded/cef/wiki/BranchesAndBuilding
 
 {
-  'chromium_checkout': 'ad51088c0e8776e8dcd963dbe752c4035ba6dab6',
+  'chromium_checkout': 'refs/tags/57.0.2987.8',
 }

patch/patches/DEPS.patch

@@ -0,0 +1,15 @@
+diff --git DEPS DEPS
+index 1cf592e..d72bb58 100644
+--- DEPS
++++ DEPS
+@@ -1140,8 +1140,8 @@ recursedeps = [
+   'src/buildtools',
+   'src/third_party/android_tools',
+   [
+-    'DEPS.chromium',
+-    'src/third_party/angle'
++    'src/third_party/angle',
++    'DEPS.chromium'
+   ]
+ ]
+ 

patch/patches/webview_plugin_2020.patch

@@ -1,5 +1,5 @@
 diff --git chrome/app/generated_resources.grd chrome/app/generated_resources.grd
-index 990cffa..e1099ae 100644
+index 16f2d57..059291e 100644
 --- chrome/app/generated_resources.grd
 +++ chrome/app/generated_resources.grd
 @@ -7137,7 +7137,7 @@ Keep your key file in a safe place. You will need it to create new versions of y