Deleted VideoCapturer::screencast_max_pixels and related unused code.

talk/media/base/videocapturer.cc

Index: talk/media/base/videocapturer.cc
diff --git a/talk/media/base/videocapturer.cc b/talk/media/base/videocapturer.cc
index 5d9a7e022a78b2a3a8aa1e0df0b4e46d6399e5c7..f40f41f956729078c0df359a916f274c7f2a2861 100644
--- a/talk/media/base/videocapturer.cc
+++ b/talk/media/base/videocapturer.cc
@@ -121,7 +121,6 @@ void VideoCapturer::Construct() {
   SignalFrameCaptured.connect(this, &VideoCapturer::OnFrameCaptured);
   scaled_width_ = 0;
   scaled_height_ = 0;
-  screencast_max_pixels_ = 0;
   muted_ = false;
   black_frame_count_down_ = kNumBlackFramesOnMute;
   enable_video_adapter_ = true;
@@ -360,16 +359,11 @@ void VideoCapturer::OnFrameCaptured(VideoCapturer*,
 
   if (IsScreencast()) {
     int scaled_width, scaled_height;
-    if (screencast_max_pixels_ > 0) {
-      ComputeScaleMaxPixels(captured_frame->width, captured_frame->height,
-          screencast_max_pixels_, &scaled_width, &scaled_height);
-    } else {
-      int desired_screencast_fps = capture_format_.get() ?
-          VideoFormat::IntervalToFps(capture_format_->interval) :
-          kDefaultScreencastFps;
-      ComputeScale(captured_frame->width, captured_frame->height,
-                   desired_screencast_fps, &scaled_width, &scaled_height);
-    }
+    int desired_screencast_fps = capture_format_.get() ?
+      VideoFormat::IntervalToFps(capture_format_->interval) :
+      kDefaultScreencastFps;
+    ComputeScale(captured_frame->width, captured_frame->height,
+                 desired_screencast_fps, &scaled_width, &scaled_height);
 
     if (FOURCC_ARGB == captured_frame->fourcc &&
         (scaled_width != captured_frame->width ||