headless: Initial headless embedder API implementation

headless/public/headless_web_frame.h

Index: headless/public/headless_web_frame.h
diff --git a/headless/public/web_frame.h b/headless/public/headless_web_frame.h
similarity index 85%
rename from headless/public/web_frame.h
rename to headless/public/headless_web_frame.h
index c8e5307180cc218e6b92f725c0d3e7dbb487966f..6ab7e71bdf8d97c9683bf1e07d4be004d7655c01 100644
--- a/headless/public/web_frame.h
+++ b/headless/public/headless_web_frame.h
@@ -2,23 +2,22 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef HEADLESS_PUBLIC_WEB_FRAME_H_
-#define HEADLESS_PUBLIC_WEB_FRAME_H_
+#ifndef HEADLESS_PUBLIC_HEADLESS_WEB_FRAME_H_
+#define HEADLESS_PUBLIC_HEADLESS_WEB_FRAME_H_
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/values.h"
 #include "headless/public/headless_export.h"
+#include "ui/gfx/geometry/size.h"
 
 namespace headless {
 
-class WebDocument;
-
 // Class representing a frame in a web page (e.g. main frame or an iframe).
 // Should be accessed from renderer main thread.
-class HEADLESS_EXPORT WebFrame {
+class HEADLESS_EXPORT HeadlessWebFrame {
  public:
-  virtual ~WebFrame() {}
+  virtual ~HeadlessWebFrame() {}
 
   using ScriptExecutionCallback =
       base::Callback<void(const std::vector<scoped_ptr<base::Value>>&)>;
@@ -46,7 +45,6 @@ class HEADLESS_EXPORT WebFrame {
 
   virtual std::string ContentAsText(size_t max_chars) const = 0;
   virtual std::string ContentAsMarkup() const = 0;
-  virtual proto::Document ContentAsProtobuf() const = 0;
 
   virtual gfx::Size GetScrollOffset() const = 0;

[pfeldman, 2016/02/09 19:49:51]

Are these provisional or are there clients for these?

[Sami, 2016/02/09 21:40:51]

PhantomJS at least exposes these, not sure if anyone uses them.

   virtual void SetScrollOffset(const gfx::Size& offset) = 0;
@@ -54,10 +52,13 @@ class HEADLESS_EXPORT WebFrame {
   virtual float GetPageScaleFactor() const = 0;

[pfeldman, 2016/02/09 19:49:51]

ditto

[Sami, 2016/02/09 21:40:51]

Same for these. Perhaps the emulation path could handle these?

   virtual void SetPageScaleFactor(float page_scale_factor) = 0;
 
+ protected:
+  HeadlessWebFrame() {}
+
  private:
-  DISALLOW_COPY_AND_ASSIGN(WebFrame);
+  DISALLOW_COPY_AND_ASSIGN(HeadlessWebFrame);
 };
 
 }  // namespace headless
 
-#endif  // HEADLESS_PUBLIC_WEB_FRAME_H_
+#endif  // HEADLESS_PUBLIC_HEADLESS_WEB_FRAME_H_