MDL-42147 filepicker: fixed dialog box css issue on IE9.

This patch fix the following issue repository icon size, dialog title bar background color and rounded corner for dialog box.

Conflicts:

	theme/bootstrapbase/style/moodle.css

theme/base/style/core.css

@@ -964,13 +964,15 @@ sup {vertical-align: super;}
     margin-left:-3px;
     background-color: #FFFFFF;
     border: 1px solid #CCCCCC;
-    border-radius:10px;
+    border-radius: 10px;
     box-shadow: 5px 5px 20px 0px #666666;
     -webkit-box-shadow: 5px 5px 20px 0px #666666;
     -moz-box-shadow: 5px 5px 20px 0px #666666;
+    overflow: hidden;
 }
 
-.moodle-dialogue-base .moodle-dialogue-wrap .moodle-dialogue-hd {
+.moodle-dialogue-base .moodle-dialogue-wrap .moodle-dialogue-hd,
+.moodle-dialogue-base .moodle-dialogue-wrap .moodle-dialogue-hd.yui3-widget-hd {
     margin:0;
     padding:5px;
     font-size:12px;

theme/bootstrapbase/less/moodle/core.less

@@ -1448,7 +1448,8 @@ body#page-lib-editor-tinymce-plugins-moodlemedia-preview {
     .border-radius(10px);
     .box-shadow(5px 5px 20px 0 #666);
 }
-.moodle-dialogue-base .moodle-dialogue-wrap .moodle-dialogue-hd {
+.moodle-dialogue-base .moodle-dialogue-wrap .moodle-dialogue-hd,
+.moodle-dialogue-base .moodle-dialogue-wrap .moodle-dialogue-hd.yui3-widget-hd {
     margin: 0;
     padding: 5px;
     font-size: 12px;
@@ -1461,7 +1462,7 @@ body#page-lib-editor-tinymce-plugins-moodlemedia-preview {
     border-bottom: 1px solid #bbb;
     background: #ccc;
     #gradient > .vertical(#fff, #ccc);
-    filter: dropshadow(color=#FFFFFF, offx=1, offy=1);
+    filter: 0;
 }
 .moodle-dialogue-base .moodle-dialogue-wrap .moodle-dialogue-hd h1 {
     margin: 0;

theme/bootstrapbase/less/moodle/filemanager.less

@@ -184,6 +184,8 @@
 }
 .file-picker .fp-list .fp-repo-icon {
     padding: 0 7px 0 5px;
+    width: 16px;
+    height: 16px;
 }
 // Tools, Path & View on fp-navbar (File Picker and File Manager)
 .fp-toolbar {