VR: Implement Omnibox input targeting.

chrome/browser/android/vr_shell/textures/url_bar_texture.h

Index: chrome/browser/android/vr_shell/textures/url_bar_texture.h
diff --git a/chrome/browser/android/vr_shell/textures/url_bar_texture.h b/chrome/browser/android/vr_shell/textures/url_bar_texture.h
index c85e806f942fad9de35bc9ee0659b085bc58f37e..cb9e2f92e6d8d889c043568226b0b04213c0d80e 100644
--- a/chrome/browser/android/vr_shell/textures/url_bar_texture.h
+++ b/chrome/browser/android/vr_shell/textures/url_bar_texture.h
@@ -12,6 +12,7 @@
 #include "url/gurl.h"
 
 namespace gfx {
+class PointF;
 class RenderText;
 }  // namespace gfx
 
@@ -20,7 +21,8 @@ namespace vr_shell {
 class UrlBarTexture : public UiTexture {
  public:
   enum DrawFlags {
-    FLAG_HOVER = 1 << 0,
+    FLAG_BACK_HOVER = 1 << 0,
+    FLAG_BACK_DOWN = 1 << 1,
   };
 
   UrlBarTexture();
@@ -32,9 +34,13 @@ class UrlBarTexture : public UiTexture {
   void SetURL(const GURL& gurl);
   void SetSecurityLevel(int level);
 
+  bool HitsBackButton(const gfx::PointF& position) const;
+  bool HitsURLBar(const gfx::PointF& position) const;

[cjgrant, 2017/05/16 14:07:23]

HitsUrlBar (matches style guide and class name)

[mthiesse, 2017/05/16 18:11:02]

Done.

+
  private:
   void Draw(SkCanvas* canvas, const gfx::Size& texture_size) override;
   float ToPixels(float meters) const;
+  bool HitsRightTransparentRegion(const gfx::PointF& position) const;
 
   gfx::SizeF size_;
   int security_level_;