Update refernces to Blink's Platform API (cc)

cc/DEPS

Index: cc/DEPS
diff --git a/cc/DEPS b/cc/DEPS
index 00303d38b56848c3106edb36616cb36ae89cd876..26a233de086ec60bbcb889a3111d3bc5e68ff756 100644
--- a/cc/DEPS
+++ b/cc/DEPS
@@ -12,10 +12,10 @@ include_rules = [
   "+ui/surface",
   # DO NOT ADD ANY NEW WEBKIT HEADERS TO THIS LIST.
   # TODO(danakj): Drop dependencies on WebKit Platform API from cc.
-  "+third_party/WebKit/Source/Platform/chromium/public/WebAnimationDelegate.h",
-  "+third_party/WebKit/Source/Platform/chromium/public/WebFilterOperation.h",
-  "+third_party/WebKit/Source/Platform/chromium/public/WebFilterOperations.h",
-  "+third_party/WebKit/Source/Platform/chromium/public/WebGraphicsContext3D.h",
-  "+third_party/WebKit/Source/Platform/chromium/public/WebGraphicsMemoryAllocation.h",
-  "+third_party/WebKit/Source/Platform/chromium/public/WebLayerScrollClient.h",
+  "+third_party/WebKit/public/platform/WebAnimationDelegate.h",
+  "+third_party/WebKit/public/platform/WebFilterOperation.h",
+  "+third_party/WebKit/public/platform/WebFilterOperations.h",
+  "+third_party/WebKit/public/platform/WebGraphicsContext3D.h",
+  "+third_party/WebKit/public/platform/WebGraphicsMemoryAllocation.h",
+  "+third_party/WebKit/public/platform/WebLayerScrollClient.h",
 ]