Make SdchManager per-profile.

net/filter/mock_filter_context.cc

Index: net/filter/mock_filter_context.cc
diff --git a/net/filter/mock_filter_context.cc b/net/filter/mock_filter_context.cc
index 06905c0e070790be3cc532623f9c980d328cf4c5..5b2170725f54af466e5b9272961a202a22b0a53e 100644
--- a/net/filter/mock_filter_context.cc
+++ b/net/filter/mock_filter_context.cc
@@ -10,7 +10,8 @@ MockFilterContext::MockFilterContext()
     : is_cached_content_(false),
       is_download_(false),
       is_sdch_response_(false),
-      response_code_(-1) {
+      response_code_(-1),
+      context_(NULL) {
 }
 
 MockFilterContext::~MockFilterContext() {}
@@ -49,4 +50,8 @@ int64 MockFilterContext::GetByteReadCount() const { return 0; }
 
 int MockFilterContext::GetResponseCode() const { return response_code_; }
 
+const URLRequestContext* MockFilterContext::GetURLRequestContext() const {
+  return context_;
+}
+
 }  // namespace net