Offload disk accesses to WorkerPool in ExtensionProtocolHandler

and URLRequestResourceBundleJob.

To achieve that URLRequestSimpleJob::GetData() signature changed
to allow async operation finishing. All places implementing GetData()
are updated.


Patch from Pavel Ivanov <paivanof@gmail.com>

BUG=59849,90207

Review URL: https://chromiumcodereview.appspot.com/10696135

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@147869 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 4 insertions, 3 deletions

diff --git a/content/browser/tcmalloc_internals_request_job.h b/content/browser/tcmalloc_internals_request_job.h
index bfdbb9a..e70c274 100644
--- a/content/browser/tcmalloc_internals_request_job.h
+++ b/content/browser/tcmalloc_internals_request_job.h
@@ -50,9 +50,10 @@ class TcmallocInternalsRequestJob : public net::URLRequestSimpleJob {
  public:
   explicit TcmallocInternalsRequestJob(net::URLRequest* request);
 
-  virtual bool GetData(std::string* mime_type,
-                       std::string* charset,
-                       std::string* data) const OVERRIDE;
+  virtual int GetData(std::string* mime_type,
+                      std::string* charset,
+                      std::string* data,
+                      const net::CompletionCallback& callback) const OVERRIDE;
 
  protected:
   virtual ~TcmallocInternalsRequestJob() {}