Remove newMediaPlaybackUi flag from content/ and Blink.

third_party/WebKit/Source/core/layout/LayoutTheme.cpp

Index: third_party/WebKit/Source/core/layout/LayoutTheme.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutTheme.cpp b/third_party/WebKit/Source/core/layout/LayoutTheme.cpp
index 67172468b37d91a93a6c724ba2a9d353db141f8e..9298c89c8facd84d8887391b0f39e790411b325d 100644
--- a/third_party/WebKit/Source/core/layout/LayoutTheme.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutTheme.cpp
@@ -268,7 +268,6 @@ static String formatChromiumMediaControlsTime(float time,
     duration = 0;
   int seconds = static_cast<int>(fabsf(time));
   int minutes = seconds / 60;
-  int hours = seconds / (60 * 60);
 
   seconds %= 60;
 
@@ -276,21 +275,6 @@ static String formatChromiumMediaControlsTime(float time,
   int durationSecs = static_cast<int>(fabsf(duration));
   int durationMins = durationSecs / 60;
 
-  if (!RuntimeEnabledFeatures::newMediaPlaybackUiEnabled()) {
-    int durationHours = durationSecs / (60 * 60);
-    durationMins %= 60;
-    minutes %= 60;
-    if (durationHours || hours)
-      return String::format("%s%01d:%02d:%02d", (time < 0 ? "-" : ""), hours,
-                            minutes, seconds);
-    if (durationMins > 9)
-      return String::format("%s%02d:%02d", (time < 0 ? "-" : ""), minutes,
-                            seconds);
-
-    return String::format("%s%01d:%02d", (time < 0 ? "-" : ""), minutes,
-                          seconds);
-  }
-
   // New UI includes a leading "/ " before duration.
   const char* separator = includeSeparator ? "/ " : "";