Switch to linear filtering for video frames on Android.

content/common/gpu/media/android_copying_backing_strategy.cc

Index: content/common/gpu/media/android_copying_backing_strategy.cc
diff --git a/content/common/gpu/media/android_copying_backing_strategy.cc b/content/common/gpu/media/android_copying_backing_strategy.cc
index 67e886048dfa06070682cb124667109a168a5a90..cf166afc8fc512f13f28bf47f3deb0ee54c70253 100644
--- a/content/common/gpu/media/android_copying_backing_strategy.cc
+++ b/content/common/gpu/media/android_copying_backing_strategy.cc
@@ -43,6 +43,8 @@ gfx::ScopedJavaSurface AndroidCopyingBackingStrategy::Initialize(
   glActiveTexture(GL_TEXTURE0);
   glBindTexture(GL_TEXTURE_EXTERNAL_OES, surface_texture_id_);
 
+  // Note that the target will be correctly sized, so nearest filtering is all
+  // that's needed.
   glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
   glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
   glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);