Fix trailing whitespace in .cpp, .h, and .idl files

Source/core/platform/Theme.h

Index: Source/core/platform/Theme.h
diff --git a/Source/core/platform/Theme.h b/Source/core/platform/Theme.h
index e8e91ecd23393ae133aad2ad6b2c0da88d395adc..f0a20f0ba017dcd87ed41d1919450f90a6eabdb3 100644
--- a/Source/core/platform/Theme.h
+++ b/Source/core/platform/Theme.h
@@ -20,7 +20,7 @@
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef Theme_h
@@ -53,7 +53,7 @@ public:
 
     // A method asking if the control changes its appearance when the window is inactive.
     virtual bool controlHasInactiveAppearance(ControlPart) const { return false; }
-    
+
     // General methods for whether or not any of the controls in the theme change appearance when the window is inactive or
     // when hovered over.
     virtual bool controlsCanHaveInactiveAppearance() const { return false; }
@@ -67,11 +67,11 @@ public:
     // Methods for obtaining platform-specific colors.
     virtual Color selectionColor(ControlPart, ControlState, SelectionPart) const { return Color(); }
     virtual Color textSearchHighlightColor() const { return Color(); }
-    
+
     // CSS system colors and fonts
     virtual Color systemColor(ThemeColor) const { return Color(); }
     virtual Font systemFont(ThemeFont, FontDescription&) const { return Font(); }
-    
+
     // How fast the caret blinks in text fields.
     virtual double caretBlinkInterval() const { return 0.5; }
 
@@ -79,20 +79,20 @@ public:
     virtual void themeChanged() { }
 
     // Methods used to adjust the RenderStyles of controls.
-    
+
     // The font description result should have a zoomed font size.
     virtual FontDescription controlFont(ControlPart, const Font& font, float /*zoomFactor*/) const { return font.fontDescription(); }
-    
+
     // The size here is in zoomed coordinates already.  If a new size is returned, it also needs to be in zoomed coordinates.
     virtual LengthSize controlSize(ControlPart, const Font&, const LengthSize& zoomedSize, float /*zoomFactor*/) const { return zoomedSize; }
-    
-    // Returns the minimum size for a control in zoomed coordinates.  
+
+    // Returns the minimum size for a control in zoomed coordinates.
     virtual LengthSize minimumControlSize(ControlPart, const Font&, float /*zoomFactor*/) const { return LengthSize(Length(0, Fixed), Length(0, Fixed)); }
-    
+
     // Allows the theme to modify the existing padding/border.
     virtual LengthBox controlPadding(ControlPart, const Font&, const LengthBox& zoomedBox, float zoomFactor) const;
     virtual LengthBox controlBorder(ControlPart, const Font&, const LengthBox& zoomedBox, float zoomFactor) const;
-    
+
     // Whether or not whitespace: pre should be forced on always.
     virtual bool controlRequiresPreWhiteSpace(ControlPart) const { return false; }
 
@@ -104,7 +104,7 @@ public:
     // The rect passed in is in zoomed coordinates, so the inflation should take that into account and make sure the inflation
     // amount is also scaled by the zoomFactor.
     virtual void inflateControlPaintRect(ControlPart, ControlStates, IntRect& /*zoomedRect*/, float /*zoomFactor*/) const { }
-    
+
     // This method is called once, from RenderTheme::adjustDefaultStyleSheet(), to let each platform adjust
     // the default CSS rules in html.css.
     static String defaultStyleSheet();