Hook up insecure content warnings for http webVR presentation.

chrome/browser/android/vr_shell/textures/ui_texture.cc

Index: chrome/browser/android/vr_shell/textures/ui_texture.cc
diff --git a/chrome/browser/android/vr_shell/textures/ui_texture.cc b/chrome/browser/android/vr_shell/textures/ui_texture.cc
index 7cac42d2d92dc001543e0081e4afe4aa18733ab4..426dff76e0bac9e6c2045aaed9eb88c97575c513 100644
--- a/chrome/browser/android/vr_shell/textures/ui_texture.cc
+++ b/chrome/browser/android/vr_shell/textures/ui_texture.cc
@@ -25,35 +25,15 @@ namespace {
 constexpr char kDefaultFontFamily[] = "sans-serif";
 }  // namespace
 
-// TODO(acondor): Create non-square textures to reduce memory usage.
-UITexture::UITexture(int texture_handle, int texture_size)
-    : texture_handle_(texture_handle),
-      texture_size_(texture_size),
-      surface_(SkSurface::MakeRasterN32Premul(texture_size_, texture_size_)) {}
+UITexture::UITexture() = default;
 
 UITexture::~UITexture() = default;
 
-void UITexture::DrawAndLayout() {
-  cc::SkiaPaintCanvas paint_canvas(surface_->getCanvas());
-  gfx::Canvas canvas(&paint_canvas, 1.0f);
-  canvas.DrawColor(0x00000000);
-  Draw(&canvas);
-  SetSize();
-}
-
-void UITexture::Flush() {
-  cc::SkiaPaintCanvas paint_canvas(surface_->getCanvas());
-  paint_canvas.flush();
-  SkPixmap pixmap;
-  CHECK(surface_->peekPixels(&pixmap));
-
-  glBindTexture(GL_TEXTURE_2D, texture_handle_);
-  glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, pixmap.width(), pixmap.height(), 0,
-               GL_RGBA, GL_UNSIGNED_BYTE, pixmap.addr());
-  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
-  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+void UITexture::DrawAndLayout(SkCanvas* canvas, const gfx::Size& texture_size) {
+  cc::SkiaPaintCanvas paint_canvas(canvas);
+  gfx::Canvas gfx_canvas(&paint_canvas, 1.0f);
+  gfx_canvas.DrawColor(0x00000000);

[cjgrant, 2017/04/21 14:30:13]

SK_ColorTRANSPARENT

[mthiesse, 2017/04/21 15:05:12]

Done.

+  Draw(&gfx_canvas, texture_size);
 }
 
 bool UITexture::IsRTL() {