Pepper: Make C++ pp::VideoEncoder wrapper compilable on non-C++11 builds.

BUG=455409

Review URL: https://codereview.chromium.org/901733002

Cr-Commit-Position: refs/heads/master@{#314696}

ppapi/cpp/video_encoder.cc

@@ -36,7 +36,7 @@ VideoEncoder::VideoEncoder(const VideoEncoder& other) : Resource(other) {
 }
 
 int32_t VideoEncoder::GetSupportedProfiles(const CompletionCallbackWithOutput<
-    std::vector<PP_VideoProfileDescription>>& cc) {
+    std::vector<PP_VideoProfileDescription> >& cc) {
   if (has_interface<PPB_VideoEncoder_0_1>()) {
     return get_interface<PPB_VideoEncoder_0_1>()->GetSupportedProfiles(
         pp_resource(), cc.output(), cc.pp_completion_callback());

ppapi/cpp/video_encoder.h

@@ -67,7 +67,7 @@ class VideoEncoder : public Resource {
   /// @return If >= 0, the number of supported profiles returned, otherwise an
   /// error code from <code>pp_errors.h</code>.
   int32_t GetSupportedProfiles(const CompletionCallbackWithOutput<
-      std::vector<PP_VideoProfileDescription>>& cc);
+      std::vector<PP_VideoProfileDescription> >& cc);
 
   /// Initializes a video encoder resource. This should be called after
   /// GetSupportedProfiles() and before any functions below.