Decompress .svgz files from disk.

BUG=9936
TEST=Download a .svgz file to local disk, then attempt to view it. Please make sure it didn't get decompressed during the download.
Review URL: http://codereview.chromium.org/99109

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@17000 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 13 insertions, 0 deletions

diff --git a/net/url_request/url_request_file_job.cc b/net/url_request/url_request_file_job.cc
index 8430fc9..b369216 100644
--- a/net/url_request/url_request_file_job.cc
+++ b/net/url_request/url_request_file_job.cc
@@ -167,6 +167,17 @@ bool URLRequestFileJob::ReadRawData(net::IOBuffer* dest, int dest_size,
   return false;
 }
 
+bool URLRequestFileJob::GetContentEncodings(
+    std::vector<Filter::FilterType>* encoding_types) {
+  DCHECK(encoding_types->empty());
+
+  // Bug 9936 - .svgz files needs to be decompressed.
+  if (LowerCaseEqualsASCII(file_path_.Extension(), ".svgz"))
+    encoding_types->push_back(Filter::FILTER_TYPE_GZIP);
+
+  return !encoding_types->empty();
+}
+
 bool URLRequestFileJob::GetMimeType(std::string* mime_type) const {
   DCHECK(request_);
   return net::GetMimeTypeFromFile(file_path_, mime_type);
diff --git a/net/url_request/url_request_file_job.h b/net/url_request/url_request_file_job.h
index 3091d2a..6cb16b3 100644
--- a/net/url_request/url_request_file_job.h
+++ b/net/url_request/url_request_file_job.h
@@ -25,6 +25,8 @@ class URLRequestFileJob : public URLRequestJob {
   virtual void Kill();
   virtual bool ReadRawData(net::IOBuffer* buf, int buf_size, int* bytes_read);
   virtual bool IsRedirectResponse(GURL* location, int* http_status_code);
+  virtual bool GetContentEncodings(
+      std::vector<Filter::FilterType>* encoding_type);
   virtual bool GetMimeType(std::string* mime_type) const;
   virtual void GetResponseInfo(net::HttpResponseInfo* info);
   virtual void SetExtraRequestHeaders(const std::string& headers);