Fix invalid bool/int conversion on PrepareVideoFrameForWebGL.

This prevents the "skip already uploaded frame" logic from actually
working. Though it seems to be broken in some other way currently.

Bug: 776222
Change-Id: I58dc0490c976588d1c0d9a37210330fcfa399474
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2031720Reviewed-by: Mounir Lamouri <mlamouri@chromium.org>
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
Commit-Queue: Mounir Lamouri <mlamouri@chromium.org>
Commit-Queue: Dale Curtis <dalecurtis@chromium.org>
Auto-Submit: Dale Curtis <dalecurtis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#737400}

third_party/blink/renderer/core/html/media/html_video_element.cc

@@ -506,7 +506,7 @@ bool HTMLVideoElement::PrepareVideoFrameForWebGL(
     gpu::gles2::GLES2Interface* gl,
     GLenum target,
     GLuint texture,
-    bool already_uploaded_id,
+    int already_uploaded_id,
     WebMediaPlayer::VideoFrameUploadMetadata* out_metadata) {
   if (!GetWebMediaPlayer())
     return false;

third_party/blink/renderer/core/html/media/html_video_element.h

@@ -147,7 +147,7 @@ class CORE_EXPORT HTMLVideoElement final
       gpu::gles2::GLES2Interface*,
       GLenum target,
       GLuint texture,
-      bool already_uploaded_id,
+      int already_uploaded_id,
       WebMediaPlayer::VideoFrameUploadMetadata* out_metadata);
 
   bool ShouldDisplayPosterImage() const { return GetDisplayMode() == kPoster; }