Media: Report informational error messages to HTMLMediaElement

content/renderer/media/html_video_element_capturer_source_unittest.cc

Index: content/renderer/media/html_video_element_capturer_source_unittest.cc
diff --git a/content/renderer/media/html_video_element_capturer_source_unittest.cc b/content/renderer/media/html_video_element_capturer_source_unittest.cc
index 56401b8156a0825482ab482a06ac6375999cba8d..1bc53163473c4a14d40887c15598a2fb996d7c6d 100644
--- a/content/renderer/media/html_video_element_capturer_source_unittest.cc
+++ b/content/renderer/media/html_video_element_capturer_source_unittest.cc
@@ -10,6 +10,7 @@
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/WebKit/public/platform/WebMediaPlayer.h"
+#include "third_party/WebKit/public/platform/WebString.h"
 
 using ::testing::_;
 using ::testing::InSequence;
@@ -60,6 +61,7 @@ class MockWebMediaPlayer : public blink::WebMediaPlayer,
   ReadyState getReadyState() const override {
     return ReadyStateHaveNothing;
   }
+  blink::WebString getErrorMessage() override { return blink::WebString(); }
   bool didLoadingProgress() override { return true; }
   bool hasSingleSecurityOrigin() const override { return true; }
   bool didPassCORSAccessCheck() const override { return true; }