Add a Physical Web omnibox autocomplete provider

third_party/WebKit/Source/core/dom/StyleEngineContext.cpp

Index: third_party/WebKit/Source/core/dom/StyleEngineContext.cpp
diff --git a/third_party/WebKit/Source/platform/network/ContentSecurityPolicyResponseHeaders.cpp b/third_party/WebKit/Source/core/dom/StyleEngineContext.cpp
similarity index 66%
copy from third_party/WebKit/Source/platform/network/ContentSecurityPolicyResponseHeaders.cpp
copy to third_party/WebKit/Source/core/dom/StyleEngineContext.cpp
index 9a7ebe08c7e5ef401b68fd03ceb4d9f94b5972d0..a345d267c4d1d5a6b38570705d3bfd17b3d54d2e 100644
--- a/third_party/WebKit/Source/platform/network/ContentSecurityPolicyResponseHeaders.cpp
+++ b/third_party/WebKit/Source/core/dom/StyleEngineContext.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013 Google, Inc. All rights reserved.
+ * Copyright (C) 2016 Google, Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -23,17 +23,26 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include "platform/network/ContentSecurityPolicyResponseHeaders.h"
+#include "core/dom/StyleEngineContext.h"
 
-#include "platform/HTTPNames.h"
-#include "platform/network/ResourceResponse.h"
+#include "core/frame/UseCounter.h"
 
 namespace blink {
 
-ContentSecurityPolicyResponseHeaders::ContentSecurityPolicyResponseHeaders(const ResourceResponse& response)
-    : m_contentSecurityPolicy(response.httpHeaderField(HTTPNames::Content_Security_Policy))
-    , m_contentSecurityPolicyReportOnly(response.httpHeaderField(HTTPNames::Content_Security_Policy_Report_Only))
+StyleEngineContext::StyleEngineContext()
+    : m_addedPendingSheetBeforeBody(false)
 {
 }
 
+void StyleEngineContext::addingPendingSheet(const Document& document)
+{
+    // If the sheet was ever added before the body then all references to it are
+    // treated as before-body.
+    if (!m_addedPendingSheetBeforeBody) {
+        m_addedPendingSheetBeforeBody = !document.body();
+        if (!m_addedPendingSheetBeforeBody)
+            UseCounter::count(document, UseCounter::PendingStylesheetAddedAfterBodyStarted);
+    }
 }
+
+} // namespace blink