Cleanup: Better constify some strings in chrome.

chrome/renderer/plugins/plugin_uma.cc

Index: chrome/renderer/plugins/plugin_uma.cc
diff --git a/chrome/renderer/plugins/plugin_uma.cc b/chrome/renderer/plugins/plugin_uma.cc
index a66d26b9380194ca11eb2c724effa03f98244af4..4040f6305332f036d4a814918e575a0ef7b66033 100644
--- a/chrome/renderer/plugins/plugin_uma.cc
+++ b/chrome/renderer/plugins/plugin_uma.cc
@@ -23,15 +23,15 @@ const char kQuickTimeType[] = "video/quicktime";
 
 // Arrays containing file extensions connected with specific plugins.
 // Note: THE ARRAYS MUST BE SORTED BECAUSE BINARY SEARCH IS USED ON THEM!
-const char* kWindowsMediaPlayerExtensions[] = {".asx"};
+const char* const kWindowsMediaPlayerExtensions[] = {".asx"};
 
-const char* kRealPlayerExtensions[] = {".ra",  ".ram", ".rm",
-                                       ".rmm", ".rmp", ".rpm"};
+const char* const kRealPlayerExtensions[] = {".ra",  ".ram", ".rm",
+                                             ".rmm", ".rmp", ".rpm"};
 
-const char* kQuickTimeExtensions[] = {".moov", ".mov", ".qif",
-                                      ".qt",   ".qti", ".qtif"};
+const char* const kQuickTimeExtensions[] = {".moov", ".mov", ".qif",
+                                            ".qt",   ".qti", ".qtif"};
 
-const char* kShockwaveFlashExtensions[] = {".spl", ".swf"};
+const char* const kShockwaveFlashExtensions[] = {".spl", ".swf"};
 
 }  // namespace.
 
@@ -87,7 +87,7 @@ bool PluginUMAReporter::CompareCStrings(const char* first, const char* second) {
   return strcmp(first, second) < 0;
 }
 
-bool PluginUMAReporter::CStringArrayContainsCString(const char** array,
+bool PluginUMAReporter::CStringArrayContainsCString(const char* const* array,
                                                     size_t array_size,
                                                     const char* str) {
   return std::binary_search(array, array + array_size, str, CompareCStrings);