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

Source/core/platform/graphics/ANGLEWebKitBridge.h

Index: Source/core/platform/graphics/ANGLEWebKitBridge.h
diff --git a/Source/core/platform/graphics/ANGLEWebKitBridge.h b/Source/core/platform/graphics/ANGLEWebKitBridge.h
index 12757acdac5fb506a1e0fd477b669c6334246389..143a15b19a31337e863ff76335752cc8a331d3eb 100644
--- a/Source/core/platform/graphics/ANGLEWebKitBridge.h
+++ b/Source/core/platform/graphics/ANGLEWebKitBridge.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 ANGLEWebKitBridge_h
@@ -66,10 +66,10 @@ public:
 
     ANGLEWebKitBridge(ShShaderOutput = SH_GLSL_OUTPUT, ShShaderSpec = SH_WEBGL_SPEC);
     ~ANGLEWebKitBridge();
-    
+
     ShBuiltInResources getResources() { return m_resources; }
     void setResources(ShBuiltInResources);
-    
+
     bool compileShaderSource(const char* shaderSource, ANGLEShaderType, String& translatedShaderSource, String& shaderValidationLog, Vector<ANGLEShaderSymbol>& symbols, int extraCompileOptions = 0);
 
 private:
@@ -77,7 +77,7 @@ private:
     void cleanupCompilers();
 
     bool builtCompilers;
-    
+
     ShHandle m_fragmentCompiler;
     ShHandle m_vertexCompiler;