[Telemetry] Add a page set option to use all cold page loads.

tools/telemetry/docs/telemetry.html

Index: tools/telemetry/docs/telemetry.html
diff --git a/tools/telemetry/docs/telemetry.html b/tools/telemetry/docs/telemetry.html
index a102d0cdb03e676b1cf7cb23c1aea5bd59af2b81..127eb863677589c9b7cdbbefa889df8ebe121ad2 100644
--- a/tools/telemetry/docs/telemetry.html
+++ b/tools/telemetry/docs/telemetry.html
@@ -276,7 +276,7 @@ Put&nbsp;together:<br>
 
 <dl><dt><a name="PageMeasurement-PrepareResults"><strong>PrepareResults</strong></a>(self, options)</dt></dl>
 
-<dl><dt><a name="PageMeasurement-__init__"><strong>__init__</strong></a>(self, action_name_to_run<font color="#909090">=''</font>, needs_browser_restart_after_each_run<font color="#909090">=False</font>, discard_first_result<font color="#909090">=False</font>)</dt></dl>
+<dl><dt><a name="PageMeasurement-__init__"><strong>__init__</strong></a>(self, action_name_to_run<font color="#909090">=''</font>, needs_browser_restart_after_each_run<font color="#909090">=False</font>, discard_first_result<font color="#909090">=False</font>, clear_cache_before_each_run<font color="#909090">=False</font>)</dt></dl>
 
 <hr>
 Data descriptors defined here:<br>
@@ -339,6 +339,10 @@ Data descriptors inherited from <a href="telemetry.page.page_test.html#PageTest"
 </dl>
 <dl><dt><strong>action_name_to_run</strong></dt>
 </dl>
+<dl><dt><strong>clear_cache_before_each_run</strong></dt>
+<dd><tt>When&nbsp;set&nbsp;to&nbsp;True,&nbsp;the&nbsp;browser's&nbsp;disk&nbsp;and&nbsp;memory&nbsp;cache&nbsp;will&nbsp;be&nbsp;cleared<br>
+before&nbsp;each&nbsp;run.</tt></dd>
+</dl>
 <dl><dt><strong>discard_first_result</strong></dt>
 <dd><tt>When&nbsp;set&nbsp;to&nbsp;True,&nbsp;the&nbsp;first&nbsp;run&nbsp;of&nbsp;the&nbsp;test&nbsp;is&nbsp;discarded.&nbsp;&nbsp;This&nbsp;is<br>
 useful&nbsp;for&nbsp;cases&nbsp;where&nbsp;it's&nbsp;desirable&nbsp;to&nbsp;have&nbsp;some&nbsp;test&nbsp;resource&nbsp;cached&nbsp;so<br>
@@ -378,6 +382,8 @@ and&nbsp;the&nbsp;page's&nbsp;documentVisibilityState&nbsp;becoming&nbsp;'visibl
 delay&nbsp;until&nbsp;the&nbsp;actual&nbsp;tab&nbsp;is&nbsp;visible&nbsp;to&nbsp;the&nbsp;user.&nbsp;None&nbsp;of&nbsp;these&nbsp;delays<br>
 are&nbsp;included&nbsp;in&nbsp;this&nbsp;call.</tt></dd></dl>
 
+<dl><dt><a name="Tab-ClearCache"><strong>ClearCache</strong></a>(self)</dt><dd><tt>Clears&nbsp;the&nbsp;browser's&nbsp;HTTP&nbsp;disk&nbsp;cache&nbsp;and&nbsp;the&nbsp;tab's&nbsp;HTTP&nbsp;memory&nbsp;cache.</tt></dd></dl>
+
 <dl><dt><a name="Tab-CollectGarbage"><strong>CollectGarbage</strong></a>(self)</dt></dl>
 
 <dl><dt><a name="Tab-GetCookieByName"><strong>GetCookieByName</strong></a>(self, name, timeout<font color="#909090">=60</font>)</dt><dd><tt>Returns&nbsp;the&nbsp;value&nbsp;of&nbsp;the&nbsp;cookie&nbsp;by&nbsp;the&nbsp;given&nbsp;|name|.</tt></dd></dl>