Browser Plugin: Minor cleanup

BUG=none

Review URL: https://codereview.chromium.org/594623002

Cr-Commit-Position: refs/heads/master@{#296043}

content/renderer/browser_plugin/browser_plugin.cc

@@ -25,14 +25,12 @@
 #include "third_party/WebKit/public/web/WebElement.h"
 #include "third_party/WebKit/public/web/WebInputEvent.h"
 #include "third_party/WebKit/public/web/WebPluginContainer.h"
-#include "third_party/WebKit/public/web/WebPluginParams.h"
 #include "third_party/WebKit/public/web/WebView.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "ui/events/keycodes/keyboard_codes.h"
 
 using blink::WebCanvas;
 using blink::WebPluginContainer;
-using blink::WebPluginParams;
 using blink::WebPoint;
 using blink::WebRect;
 using blink::WebURL;

content/renderer/browser_plugin/browser_plugin.h

@@ -160,8 +160,7 @@ class CONTENT_EXPORT BrowserPlugin :
   gfx::Size plugin_size() const { return plugin_rect_.size(); }
   gfx::Rect plugin_rect() const { return plugin_rect_; }
 
-  // Virtual to allow for mocking in tests.
-  virtual float GetDeviceScaleFactor() const;
+  float GetDeviceScaleFactor() const;
 
   void ShowSadGraphic();
 
@@ -207,7 +206,6 @@ class CONTENT_EXPORT BrowserPlugin :
 
   WebCursor cursor_;
 
-  gfx::Size last_view_size_;
   bool mouse_locked_;
 
   // BrowserPlugin outlives RenderViewImpl in Chrome Apps and so we need to