Fixed playing video in component extensions.

net/url_request/url_request_simple_job.cc

Index: net/url_request/url_request_simple_job.cc
diff --git a/net/url_request/url_request_simple_job.cc b/net/url_request/url_request_simple_job.cc
index bd945557e3de2f5edd0b71b4c5fbf9839409a2d6..f266e3b505d05ea37b7e237ce91e8dbc472c0937 100644
--- a/net/url_request/url_request_simple_job.cc
+++ b/net/url_request/url_request_simple_job.cc
@@ -4,18 +4,22 @@
 
 #include "net/url_request/url_request_simple_job.h"
 
+#include <vector>
+
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/message_loop/message_loop.h"
 #include "net/base/io_buffer.h"
 #include "net/base/net_errors.h"
+#include "net/http/http_request_headers.h"
+#include "net/http/http_util.h"
 #include "net/url_request/url_request_status.h"
 
 namespace net {
 
 URLRequestSimpleJob::URLRequestSimpleJob(
     URLRequest* request, NetworkDelegate* network_delegate)
-    : URLRequestJob(request, network_delegate),
+    : URLRangeRequestJob(request, network_delegate),
       data_offset_(0),
       weak_factory_(this) {}
 
@@ -42,7 +46,7 @@ URLRequestSimpleJob::~URLRequestSimpleJob() {}
 bool URLRequestSimpleJob::ReadRawData(IOBuffer* buf, int buf_size,
                                       int* bytes_read) {
   DCHECK(bytes_read);
-  int remaining = static_cast<int>(data_.size()) - data_offset_;
+  int remaining = byte_range_.last_byte_position() - data_offset_ + 1;
   if (buf_size > remaining)
     buf_size = remaining;
   memcpy(buf->data(), data_.data() + data_offset_, buf_size);
@@ -55,6 +59,15 @@ void URLRequestSimpleJob::StartAsync() {
   if (!request_)
     return;
 
+  if (ranges().size() > 1) {
+    NotifyDone(URLRequestStatus(URLRequestStatus::FAILED,
+                                ERR_REQUEST_RANGE_NOT_SATISFIABLE));
+    return;
+  }
+
+  if (!ranges().empty() && range_parse_result() == OK)
+    byte_range_ = ranges().front();
+
   int result = GetData(&mime_type_, &charset_, &data_,
                        base::Bind(&URLRequestSimpleJob::OnGetDataCompleted,
                                   weak_factory_.GetWeakPtr()));
@@ -65,6 +78,16 @@ void URLRequestSimpleJob::StartAsync() {
 void URLRequestSimpleJob::OnGetDataCompleted(int result) {
   if (result == OK) {
     // Notify that the headers are complete
+    if (!byte_range_.ComputeBounds(data_.size())) {
+      NotifyDone(URLRequestStatus(URLRequestStatus::FAILED,
+                 ERR_REQUEST_RANGE_NOT_SATISFIABLE));
+      return;
+    }
+
+    data_offset_ = byte_range_.first_byte_position();
+    int remaining_bytes = byte_range_.last_byte_position() -
+        byte_range_.first_byte_position() + 1;
+    set_expected_content_size(remaining_bytes);
     NotifyHeadersComplete();
   } else {
     NotifyStartError(URLRequestStatus(URLRequestStatus::FAILED, result));