Fix button color on Android to match Ash

buttons and <select> buttons were darker on Android than on Ash.

BUG=351275

Review URL: https://codereview.chromium.org/189263006

git-svn-id: svn://svn.chromium.org/blink/trunk@169934 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Source/core/rendering/RenderThemeChromiumAndroid.cpp

@@ -58,16 +58,6 @@ RenderThemeChromiumAndroid::~RenderThemeChromiumAndroid()
 {
 }
 
-Color RenderThemeChromiumAndroid::systemColor(CSSValueID cssValueId) const
-{
-    if (isRunningLayoutTest() && cssValueId == CSSValueButtonface) {
-        // Match Linux button color in layout tests.
-        static const Color linuxButtonGrayColor(0xffdddddd);
-        return linuxButtonGrayColor;
-    }
-    return RenderTheme::systemColor(cssValueId);
-}
-
 String RenderThemeChromiumAndroid::extraMediaControlsStyleSheet()
 {
     return String(mediaControlsAndroidUserAgentStyleSheet, sizeof(mediaControlsAndroidUserAgentStyleSheet));

third_party/WebKit/Source/core/rendering/RenderThemeChromiumAndroid.h

@@ -35,8 +35,6 @@ public:
     static PassRefPtr<RenderTheme> create();
     virtual String extraDefaultStyleSheet() OVERRIDE;
 
-    virtual Color systemColor(CSSValueID) const OVERRIDE;
-
     virtual void adjustInnerSpinButtonStyle(RenderStyle*, Element*) const OVERRIDE;
 
     virtual bool delegatesMenuListRendering() const OVERRIDE { return true; }