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

Source/core/html/track/TextTrack.cpp

Index: Source/core/html/track/TextTrack.cpp
diff --git a/Source/core/html/track/TextTrack.cpp b/Source/core/html/track/TextTrack.cpp
index 178c29d6718dc8276c57610f4785624646cb2499..1840626a2e78848d9e8d45e695d3f7d47a75bc50 100644
--- a/Source/core/html/track/TextTrack.cpp
+++ b/Source/core/html/track/TextTrack.cpp
@@ -175,7 +175,7 @@ void TextTrack::setMode(const AtomicString& mode)
     // because they will no longer be accessible from the cues() function.
     if (mode == disabledKeyword() && m_client && m_cues)
         m_client->textTrackRemoveCues(this, m_cues.get());
-         
+
     if (mode != showingKeyword() && m_cues)
         for (size_t i = 0; i < m_cues->length(); ++i)
             m_cues->item(i)->removeDisplayTree();
@@ -205,10 +205,10 @@ void TextTrack::removeAllCues()
 
     if (m_client)
         m_client->textTrackRemoveCues(this, m_cues.get());
-    
+
     for (size_t i = 0; i < m_cues->length(); ++i)
         m_cues->item(i)->setTrack(0);
-    
+
     m_cues = 0;
 }
 
@@ -249,7 +249,7 @@ void TextTrack::addCue(PassRefPtr<TextTrackCue> prpCue)
     // 2. Add cue to the method's TextTrack object's text track's text track list of cues.
     cue->setTrack(this);
     ensureTextTrackCueList()->add(cue);
-    
+
     if (m_client)
         m_client->textTrackAddCue(this, cue.get());
 }
@@ -263,7 +263,7 @@ void TextTrack::removeCue(TextTrackCue* cue, ExceptionCode& ec)
 
     // The removeCue(cue) method of TextTrack objects, when invoked, must run the following steps:
 
-    // 1. If the given cue is not currently listed in the method's TextTrack 
+    // 1. If the given cue is not currently listed in the method's TextTrack
     // object's text track's text track list of cues, then throw a NotFoundError exception.
     if (cue->track() != this) {
         ec = NotFoundError;
@@ -420,10 +420,10 @@ TextTrackCueList* TextTrack::ensureTextTrackCueList()
 int TextTrack::trackIndexRelativeToRenderedTracks()
 {
     ASSERT(m_mediaElement);
-    
+
     if (m_renderedTrackIndex == invalidTrackIndex)
         m_renderedTrackIndex = m_mediaElement->textTracks()->getTrackIndexRelativeToRenderedTracks(this);
-    
+
     return m_renderedTrackIndex;
 }
 
@@ -431,19 +431,19 @@ bool TextTrack::hasCue(TextTrackCue* cue)
 {
     if (cue->startTime() < 0 || cue->endTime() < 0)
         return false;
-    
+
     if (!m_cues || !m_cues->length())
         return false;
-    
+
     size_t searchStart = 0;
     size_t searchEnd = m_cues->length();
-    
+
     while (1) {
         ASSERT(searchStart <= m_cues->length());
         ASSERT(searchEnd <= m_cues->length());
-        
+
         TextTrackCue* existingCue;
-        
+
         // Cues in the TextTrackCueList are maintained in start time order.
         if (searchStart == searchEnd) {
             if (!searchStart)
@@ -453,7 +453,7 @@ bool TextTrack::hasCue(TextTrackCue* cue)
             // consider all of them.
             while (searchStart >= 2 && cue->startTime() == m_cues->item(searchStart - 2)->startTime())
                 --searchStart;
-            
+
             bool firstCompare = true;
             while (1) {
                 if (!firstCompare)
@@ -468,11 +468,11 @@ bool TextTrack::hasCue(TextTrackCue* cue)
 
                 if (*existingCue != *cue)
                     continue;
-                
+
                 return true;
             }
         }
-        
+
         size_t index = (searchStart + searchEnd) / 2;
         existingCue = m_cues->item(index);
         if (cue->startTime() < existingCue->startTime() || (cue->startTime() == existingCue->startTime() && cue->endTime() > existingCue->endTime()))
@@ -480,7 +480,7 @@ bool TextTrack::hasCue(TextTrackCue* cue)
         else
             searchStart = index + 1;
     }
-    
+
     ASSERT_NOT_REACHED();
     return false;
 }