Navigation transitions: Parse out transition-entering-stylesheet link headers.

transition-entering-stylesheet is parsed out from the response header of the incoming page and passed to the Java side.

Design doc: https://docs.google.com/a/chromium.org/document/d/17jg1RRL3RI969cLwbKBIcoGDsPwqaEdBxafGNYGwiY4/edit#
Implementation details: https://docs.google.com/a/chromium.org/document/d/1kREPtFJaeLoDKwrfmrYTD7DHCdxX1RzFBga2gNY8lyE/edit#heading=h.bng2kpmyvxq5

BUG=370696

Review URL: https://codereview.chromium.org/387703004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@285391 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 14 insertions, 0 deletions

diff --git a/content/browser/transition_request_manager.h b/content/browser/transition_request_manager.h
index 9ef969b..48be189 100644
--- a/content/browser/transition_request_manager.h
+++ b/content/browser/transition_request_manager.h
@@ -7,13 +7,20 @@
 
 #include <set>
 #include <utility>
+#include <vector>
 
 #include "base/basictypes.h"
+#include "base/memory/ref_counted.h"
 #include "content/common/content_export.h"
+#include "url/gurl.h"
 
 template <typename T>
 struct DefaultSingletonTraits;
 
+namespace net {
+class HttpResponseHeaders;
+}
+
 namespace content {
 
 // TransitionRequestManager is used to handle bookkeeping for transition
@@ -27,6 +34,13 @@ class TransitionRequestManager {
   // Returns the singleton instance.
   CONTENT_EXPORT static TransitionRequestManager* GetInstance();
 
+  // Parses out any transition-entering-stylesheet link headers from the
+  // response headers.
+  CONTENT_EXPORT static void ParseTransitionStylesheetsFromHeaders(
+      const scoped_refptr<net::HttpResponseHeaders>& headers,
+      std::vector<GURL>& entering_stylesheets,
+      const GURL& resolve_address);
+
   // Returns whether the RenderFrameHost specified by the given IDs currently
   // has a pending transition request. If so, we will have to delay the
   // response until the embedder resumes the request.